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ensimple/4405.html.txt
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The order Lepidoptera is the second biggest order of insects. It includes the moths and butterflies including the skippers. There is no common word for the group: ordinary people talk of "butterflies and moths".
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The order has more than 180,000 species in 128 families and 47 superfamilies.[1] They are 10% of all the described species of living organisms.[2][3] The Coleoptera (the beetles) is the only order that has more species.
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The name, Lepidoptera, comes from the Ancient Greek words λεπίδος (scale) and πτερόν (wing).
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The earliest discovered fossils date to 200 mya or earlier.[4][5] This early origin was long before flowering plants evolved. Earlier butterflies must have been adapted to a habitat of cycads and conifers, something which had not previously been suspected.[5]
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Lepidopterans go through complete metamorphosis. This means that they have a four parts to their lives. The first part is the egg. The second part is the caterpillar or larva. The third part is the pupa. The last part is the adult or imago.
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The larvae have a tough head and a soft body. They have mouths that are made to chew. Some larvae are covered with hairs, or other body extensions. The larvae have three pairs of small legs on the thorax. These legs are called true legs. There are up to five pairs of bigger legs on the abdomen. These legs are called prolegs. Lepidopteran larvae can be confused with the larvae of sawflies. The difference between Lepidopteran larvae and sawfly larvae is that Lepidopteran larvae have tiny hooks on their prolegs. These hooks are called crochets. Most larvae are herbivores, but a few are carnivores and detritivores.[6]
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Adults have two pairs of wings. They are covered by small scales. In some species, the adults have very small wings or no wings at all. This is more common in females. Adults have antennae. Some moths have antennae that look like feathers. These feather-like antennae are larger in males than females. Adults have a mouthpart called a proboscis. It sucks nectar from flowers. Some adults do not have mouths and cannot feed. Others have different mouths that are made to pierce and suck blood or fruit juices.[7]
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A butterfly
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A moth
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A skipper (the small skipper)
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The order Lepidoptera is the second biggest order of insects. It includes the moths and butterflies including the skippers. There is no common word for the group: ordinary people talk of "butterflies and moths".
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The order has more than 180,000 species in 128 families and 47 superfamilies.[1] They are 10% of all the described species of living organisms.[2][3] The Coleoptera (the beetles) is the only order that has more species.
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The name, Lepidoptera, comes from the Ancient Greek words λεπίδος (scale) and πτερόν (wing).
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The earliest discovered fossils date to 200 mya or earlier.[4][5] This early origin was long before flowering plants evolved. Earlier butterflies must have been adapted to a habitat of cycads and conifers, something which had not previously been suspected.[5]
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Lepidopterans go through complete metamorphosis. This means that they have a four parts to their lives. The first part is the egg. The second part is the caterpillar or larva. The third part is the pupa. The last part is the adult or imago.
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The larvae have a tough head and a soft body. They have mouths that are made to chew. Some larvae are covered with hairs, or other body extensions. The larvae have three pairs of small legs on the thorax. These legs are called true legs. There are up to five pairs of bigger legs on the abdomen. These legs are called prolegs. Lepidopteran larvae can be confused with the larvae of sawflies. The difference between Lepidopteran larvae and sawfly larvae is that Lepidopteran larvae have tiny hooks on their prolegs. These hooks are called crochets. Most larvae are herbivores, but a few are carnivores and detritivores.[6]
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Adults have two pairs of wings. They are covered by small scales. In some species, the adults have very small wings or no wings at all. This is more common in females. Adults have antennae. Some moths have antennae that look like feathers. These feather-like antennae are larger in males than females. Adults have a mouthpart called a proboscis. It sucks nectar from flowers. Some adults do not have mouths and cannot feed. Others have different mouths that are made to pierce and suck blood or fruit juices.[7]
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A butterfly
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A moth
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A skipper (the small skipper)
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ensimple/4407.html.txt
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Papua New Guinea is an island country located on the Pacific Ocean. It is the east half of New Guinea island, plus some nearby islands. The capital city of Papua New Guinea is Port Moresby. The population of Papua New Guinea are mostly the Indigenous peoples of the island.
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The island is in both Australasia and Oceania, which are two different terms for the continent of islands in the Pacific area. It borders Indonesia to the west and near Australia to the south.
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Papua New Guinea is divided into four regions. These regions are important for government, commercial, sporting and other activities.
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The nation has 20 province-level divisions: eighteen, the Autonomous Region of Bougainville and the National Capital District. Each province is divided into one or more districts. The districts are divided into one or more Local Level Government areas.
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The province-level divisions are as follows:
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Parliament has approved two additional provinces by 2012: Hela Province, which will be part of the current Southern Highlands Province, and Jiwaka Province, which will be formed by dividing Western Highlands Province.[6]
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Papua New Guinea is an island country located on the Pacific Ocean. It is the east half of New Guinea island, plus some nearby islands. The capital city of Papua New Guinea is Port Moresby. The population of Papua New Guinea are mostly the Indigenous peoples of the island.
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The island is in both Australasia and Oceania, which are two different terms for the continent of islands in the Pacific area. It borders Indonesia to the west and near Australia to the south.
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Papua New Guinea is divided into four regions. These regions are important for government, commercial, sporting and other activities.
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The nation has 20 province-level divisions: eighteen, the Autonomous Region of Bougainville and the National Capital District. Each province is divided into one or more districts. The districts are divided into one or more Local Level Government areas.
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The province-level divisions are as follows:
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Parliament has approved two additional provinces by 2012: Hela Province, which will be part of the current Southern Highlands Province, and Jiwaka Province, which will be formed by dividing Western Highlands Province.[6]
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Easter, also called Resurrection Day and Pascha, is a Christian holiday celebrating Jesus Christ returning from the dead. Christians believe that it is the holiest day in the year. Some people who are not Christians celebrate it as a cultural holiday.
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Easter is not held on the same date every year. This is called a moveable feast. Currently all Christian churches agree on how the date is calculated. Easter is celebrated on the first Sunday following the first full moon which is on or after March 21st. This means it is celebrated in March or April. It can occur as early as March 22 and as late as April 25. Western churches, like the Roman Catholic Church, use the Gregorian calendar, while Eastern churches, like the Eastern Orthodox Church, use the Julian calendar. Because of this, the date of Easter celebrations is different for these two types of churches even though the way they calculate the date is similar. In 2015 Easter was celebrated on April 5 for both the Gregorian calendar and Julian calendar. In 2019 Easter was celebrated on the 21st of April.
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The word "Easter" is derived from Eastra, the name of the ancient German Goddess of Spring.[1] Her festival occurred at the vernal equinox. The French word for Easter, Pâcques, comes from the Greek word for Passover, which is the Jewish holiday celebrated at about the same time of the year.
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Jesus died roughly 2000 years ago in a city called Jerusalem (most of Jerusalem is in the modern country of Israel). The people who killed him did so because they believed that he was causing trouble for the government and because he was claiming to be the Messiah. When they crucified him (meaning they nailed him to a cross), they even hung a sign over his head, which said, "King of the Jews."[2] The day he was crucified is known by Christians as Good Friday.[3]
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The New Testament states that on the Sunday after Jesus was killed, his body was no longer in the tomb where he was laid.[4] Later, Jesus is said to have appeared to over 500 people and preached to them.[5] The New Testament teaches that the resurrection of Jesus is what Christianity is based on.[6] The resurrection made people believe that Jesus was the powerful Son of God.[6] It is also spoken of as proof that God will judge the world fairly.[7] Christians believe that God has given Christians "a new birth into a living hope through the resurrection of Jesus Christ from the dead".[8] Christians believe that through faith in God[9] they are spiritually made alive with Jesus so that they may lead a new life.[10]
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Easter is celebrated in several ways in northern Europe and the United States. Most of these celebrations have nothing to do with the Christian meaning of the holiday. These celebrations are related more to the pagan festivals of ancient Germany. Children are given baskets to fill with candy. Eggs are decorated and hidden for children to find that the "Easter Bunny" supposedly laid. People wear new clothes and go to church. Greeting cards are exchanged. An Easter Egg Roll is held on the lawn of the White House on the day after Easter. Small leafless trees or branches are carried indoors and decorated with colored eggs, paper trims, and lights. Some shopping malls offer children a chance to visit with an adult costumed as the Easter Bunny. Forced tulips, hyacinths and lilies are given as gifts. Week-long vacations are taken following Easter Day, giving families the chance to visit with distant relatives. In America, many families leave the cold of northern states to visit amusement parks or sunny beaches in the south. Spring break for American high school and college students usually occurs about Easter time.
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Catholic: Roman Catholic · Eastern Catholic · Independent Catholic · Old Catholic
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Protestant: Lutheran · Reformed · Anabaptist · Baptist · Anglican · Methodist · Evangelical · Holiness · Pentecostal
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Eastern: Eastern Orthodox · Oriental Orthodox · Assyrian
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Atoms are very small pieces of matter. There are many different types of atoms, each with its own name, mass and size. These different types of atoms are called chemical elements. The chemical elements are organized on the periodic table. Examples of elements are hydrogen and gold.
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Atoms are very small, but their exact size depends on the element. Atoms range from 0.1 to 0.5 nanometers in width.[1] One nanometer is about 100,000 times smaller than the width of a human hair.[2] This makes atoms impossible to see without special tools. Scientists discover how they work and interact with other atoms through experiments.
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Atoms can join together to make molecules: for example, two hydrogen atoms and one oxygen atom combine to make a water molecule. When atoms join together it is called a chemical reaction.
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Atoms are made up of three kinds of smaller particles, called protons, neutrons and electrons. The protons and neutrons are heavier, and stay in the middle of the atom, which is called the nucleus. The nucleus is surrounded by a cloud of light-weight electrons, these are attracted to the protons in the nucleus by the electromagnetic force because they have opposite electric charges.
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The number of protons an atom has defines what chemical element it is, this number is sometimes called its atomic number. For example, hydrogen has one proton and sulfur has 16 protons. Because the mass of neutrons and protons is very similar, and the mass of electrons is very small, we can call the amount of protons and neutrons in an atom its atomic mass.[3]
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Atoms move faster when they are in their gas form (because they are free to move) than they do in liquid form and solid matter. In solid materials, the atoms are tightly packed next to each other so they vibrate, but are not able to move (there is no room) as atoms in liquids do.
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The word "atom" comes from the Greek (ἀτόμος) "atomos", indivisible, from (ἀ)-, not, and τόμος, a cut. The first historical mention of the word atom came from works by the Greek philosopher Democritus, around 400 BC. Atomic theory stayed as a mostly philosophical subject, with not much actual scientific investigation or study, until the development of chemistry in the 1650s.
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In 1777 French chemist Antoine Lavoisier defined the term element for the first time. He said that an element was any basic substance that could not be broken down into other substances by the methods of chemistry. Any substance that could be broken down was a compound.[4]
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In 1803, English philosopher John Dalton suggested that elements were tiny, solid balls made of atoms. Dalton believed that all atoms of the same element have the same mass. He said that compounds are formed when atoms of more than one element combine. According to Dalton, in a certain compound, the atoms of the compound's elements always combine the same way.
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In 1827, British scientist Robert Brown looked at pollen grains in water under his microscope. The pollen grains appeared to be jiggling. Brown used Dalton's atomic theory to describe patterns in the way they moved. This was called brownian motion. In 1905 Albert Einstein used mathematics to prove that the seemingly random movements were caused by the reactions of atoms, and by doing this he conclusively proved the existence of the atom.[5]
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In 1869, Russian scientist Dmitri Mendeleev published the first version of the periodic table. The periodic table groups elements by their atomic number (how many protons they have. This is usually the same as the number of electrons).
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Elements in the same column, or period, usually have similar properties. For example, helium, neon, argon, krypton and xenon are all in the same column and have very similar properties. All these elements are gases that have no colour and no smell. Also, they are unable to combine with other atoms to form compounds. Together they are known as the noble gases.[4]
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The physicist J.J. Thomson was the first person to discover electrons. This happened while he was working with cathode rays in 1897. He realized they had a negative charge, unlike protons (positive) and neutrons (no charge). Thomson created the plum pudding model, which stated that an atom was like plum pudding: the dried fruit (electrons) were stuck in a mass of pudding (protons). In 1909, a scientist named Ernest Rutherford used the Geiger–Marsden experiment to prove that most of an atom is in a very small space called the atomic nucleus. Rutherford took a photo plate and covered it with gold foil, and then shot alpha particles (made of two protons and two neutrons stuck together) at it. Many of the particles went through the gold foil, which proved that atoms are mostly empty space. Electrons are so small they make up only 1% of an atom's mass.[6]
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In 1913, Niels Bohr introduced the Bohr model. This model showed that electrons travel around the nucleus in fixed circular orbits. This was more accurate than the Rutherford model. However, it was still not completely right. Improvements to the Bohr model have been made since it was first introduced.
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In 1925, chemist Frederick Soddy found that some elements in the periodic table had more than one kind of atom.[7]
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For example, any atom with 2 protons should be a helium atom. Usually, a helium nucleus also contains two neutrons. However, some helium atoms have only one neutron. This means they truly are helium, because an element is defined by the number of protons, but they are not normal helium, either. Soddy called an atom like this, with a different number of neutrons, an isotope. To get the name of the isotope we look at how many protons and neutrons it has in its nucleus and add this to the name of the element. So a helium atom with two protons and one neutron is called helium-3, and a carbon atom with six protons and six neutrons is called carbon-12. However, when he developed his theory Soddy could not be certain neutrons actually existed. To prove they were real, physicist James Chadwick and a team of others created the mass spectrometer.[8] The mass spectrometer actually measures the mass and weight of individual atoms. By doing this Chadwick proved that to account for all the weight of the atom, neutrons must exist.
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In 1937, German chemist Otto Hahn became the first person to create nuclear fission in a laboratory. He discovered this by chance when he was shooting neutrons at a uranium atom, hoping to create a new isotope.[9] However, he noticed that instead of a new isotope the uranium simply changed into a barium atom, a smaller atom than uranium. Apparently, Hahn had "broken" the uranium atom. This was the world's first recorded nuclear fission reaction. This discovery eventually led to the creation of the atomic bomb.
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Further into the 20th century, physicists went deeper into the mysteries of the atom. Using particle accelerators they discovered that protons and neutrons were actually made of other particles, called quarks.
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The most accurate model so far comes from the Schrödinger equation. Schrödinger realized that the electrons exist in a cloud around the nucleus, called the electron cloud. In the electron cloud, it is impossible to know exactly where electrons are. The Schrödinger equation is used to find out where an electron is likely to be. This area is called the electron's orbital.
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The complex atom is made up of three main particles; the proton, the neutron and the electron. The isotope of Hydrogen Hydrogen-1 has no neutrons, just the one proton and one electron. Electrons have a positive electric charge and electrons have a negative charge. A positive hydrogen ion has no electrons, just the one proton. These two examples are the only known exceptions to the rule that all other atoms have at least one proton, one neutron and one electron each.
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Electrons are by far the smallest of the three atomic particles, their mass and size is too small to be measured using current technology.[10] They have a negative charge. Protons and neutrons are of similar size and weight to each other,[10] protons are positively charged and neutrons have no charge.
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Most atoms have a neutral charge; because the number of protons (positive) and electrons (negative) are the same, the charges balance out to zero. However, in ions (different number of electrons) this is not always the case, and they can have a positive or a negative charge. Protons and neutrons are made out of quarks, of two types; up quarks and down quarks. A proton is made of two up quarks and one down quark and a neutron is made of two down quarks and one up quark.
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The nucleus is in the middle of an atom. It is made up of protons and neutrons. Usually in nature, two things with the same charge repel or shoot away from each other. So for a long time it was a mystery to scientists how the positively charged protons in the nucleus stayed together. They solved this by finding a particle called a gluon. Its name comes from the word glue as gluons act like atomic glue, sticking the protons together using the strong nuclear force. It is this force which also holds the quarks together that make up the protons and neutrons.
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The number of neutrons in relation to protons defines whether the nucleus is stable or goes through radioactive decay. When there are too many neutrons or protons, the atom tries to make the numbers the same by getting rid of the extra particles. It does this by emitting radiation in the form of alpha, beta or gamma decay.[11] Nuclei can change through other means too. Nuclear fission is when the nucleus splits into two smaller nuclei, releasing a lot of stored energy. This release of energy is what makes nuclear fission useful for making bombs and electricity, in the form of nuclear power.
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The other way nuclei can change is through nuclear fusion, when two nuclei join together, or fuse, to make a heavier nucleus. This process requires extreme amounts of energy in order to overcome the electrostatic repulsion between the protons, as they have the same charge. Such high energies are most common in stars like our Sun, which fuses hydrogen for fuel.
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Electrons orbit, or travel around, the nucleus. They are called the atom's electron cloud. They are attracted towards the nucleus because of the electromagnetic force. Electrons have a negative charge and the nucleus always has a positive charge, so they attract each other.
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Around the nucleus, some electrons are further out than others, in different layers. These are called electron shells. In most atoms the first shell has two electrons, and all after that have eight. Exceptions are rare, but they do happen and are difficult to predict.[12] The further away the electron is from the nucleus, the weaker the pull of the nucleus on it. This is why bigger atoms, with more electrons, react more easily with other atoms.
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The electromagnetism of the nucleus is not strong enough to hold onto their electrons and atoms lose electrons to the strong attraction of smaller atoms.[13]
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Some elements, and many isotopes, have what is called an unstable nucleus. This means the nucleus is either too big to hold itself together[14] or has too many protons or neutrons. When this happens the nucleus has to get rid of the excess mass or particles. It does this through radiation. An atom that does this can be called radioactive. Unstable atoms continue to be radioactive until they lose enough mass/particles that they become stable. All atoms above atomic number 82 (82 protons, lead) are radioactive.[14]
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There are three main types of radioactive decay; alpha, beta and gamma.[15]
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54 |
+
Every radioactive element or isotope has what is named a half-life. This is how long it takes half of any sample of atoms of that type to decay until they become a different stable isotope or element.[16] Large atoms, or isotopes with a big difference between the number of protons and neutrons will therefore have a long half life, because they must lose more neutrons to become stable.
|
55 |
+
|
56 |
+
Marie Curie discovered the first form of radiation. She found the element and named it radium. She was also the first female recipient of the Nobel Prize.
|
57 |
+
|
58 |
+
Frederick Soddy conducted an experiment to observe what happens as radium decays. He placed a sample in a light bulb and waited for it to decay. Suddenly, helium (containing 2 protons and 2 neutrons) appeared in the bulb, and from this experiment he discovered this type of radiation has a positive charge.
|
59 |
+
|
60 |
+
James Chadwick discovered the neutron, by observing decay products of different types of radioactive isotopes. Chadwick noticed that the atomic number of the elements was lower than the total atomic mass of the atom. He concluded that electrons could not be the cause of the extra mass because they barely have mass.
|
61 |
+
|
62 |
+
Enrico Fermi, used the neutrons to shoot them at uranium. He discovered that uranium decayed a lot faster than usual and produced a lot of alpha and beta particles. He also believed that uranium got changed into a new element he named hesperium.
|
63 |
+
|
64 |
+
Otto Hanh and Fritz Strassmann repeated Fermi's experiment to see if the new element hesperium was actually created. They discovered two new things Fermi did not observe. By using a lot of neutrons the nucleus of the atom would split, producing a lot of heat energy. Also the fission products of uranium were already discovered: thorium, palladium, radium, radon and lead.
|
65 |
+
|
66 |
+
Fermi then noticed that the fission of one uranium atom shot off more neutrons, which then split other atoms, creating chain reactions. He realised that this process is called nuclear fission and could create huge amounts of heat energy.
|
67 |
+
|
68 |
+
That very discovery of Fermi's led to the development of the first nuclear bomb code-named 'Trinity'.
|
ensimple/4410.html.txt
ADDED
@@ -0,0 +1,17 @@
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1 |
+
Easter, also called Resurrection Day and Pascha, is a Christian holiday celebrating Jesus Christ returning from the dead. Christians believe that it is the holiest day in the year. Some people who are not Christians celebrate it as a cultural holiday.
|
2 |
+
|
3 |
+
Easter is not held on the same date every year. This is called a moveable feast. Currently all Christian churches agree on how the date is calculated. Easter is celebrated on the first Sunday following the first full moon which is on or after March 21st. This means it is celebrated in March or April. It can occur as early as March 22 and as late as April 25. Western churches, like the Roman Catholic Church, use the Gregorian calendar, while Eastern churches, like the Eastern Orthodox Church, use the Julian calendar. Because of this, the date of Easter celebrations is different for these two types of churches even though the way they calculate the date is similar. In 2015 Easter was celebrated on April 5 for both the Gregorian calendar and Julian calendar. In 2019 Easter was celebrated on the 21st of April.
|
4 |
+
|
5 |
+
The word "Easter" is derived from Eastra, the name of the ancient German Goddess of Spring.[1] Her festival occurred at the vernal equinox. The French word for Easter, Pâcques, comes from the Greek word for Passover, which is the Jewish holiday celebrated at about the same time of the year.
|
6 |
+
|
7 |
+
Jesus died roughly 2000 years ago in a city called Jerusalem (most of Jerusalem is in the modern country of Israel). The people who killed him did so because they believed that he was causing trouble for the government and because he was claiming to be the Messiah. When they crucified him (meaning they nailed him to a cross), they even hung a sign over his head, which said, "King of the Jews."[2] The day he was crucified is known by Christians as Good Friday.[3]
|
8 |
+
|
9 |
+
The New Testament states that on the Sunday after Jesus was killed, his body was no longer in the tomb where he was laid.[4] Later, Jesus is said to have appeared to over 500 people and preached to them.[5] The New Testament teaches that the resurrection of Jesus is what Christianity is based on.[6] The resurrection made people believe that Jesus was the powerful Son of God.[6] It is also spoken of as proof that God will judge the world fairly.[7] Christians believe that God has given Christians "a new birth into a living hope through the resurrection of Jesus Christ from the dead".[8] Christians believe that through faith in God[9] they are spiritually made alive with Jesus so that they may lead a new life.[10]
|
10 |
+
|
11 |
+
Easter is celebrated in several ways in northern Europe and the United States. Most of these celebrations have nothing to do with the Christian meaning of the holiday. These celebrations are related more to the pagan festivals of ancient Germany. Children are given baskets to fill with candy. Eggs are decorated and hidden for children to find that the "Easter Bunny" supposedly laid. People wear new clothes and go to church. Greeting cards are exchanged. An Easter Egg Roll is held on the lawn of the White House on the day after Easter. Small leafless trees or branches are carried indoors and decorated with colored eggs, paper trims, and lights. Some shopping malls offer children a chance to visit with an adult costumed as the Easter Bunny. Forced tulips, hyacinths and lilies are given as gifts. Week-long vacations are taken following Easter Day, giving families the chance to visit with distant relatives. In America, many families leave the cold of northern states to visit amusement parks or sunny beaches in the south. Spring break for American high school and college students usually occurs about Easter time.
|
12 |
+
|
13 |
+
|
14 |
+
|
15 |
+
Catholic: Roman Catholic · Eastern Catholic · Independent Catholic · Old Catholic
|
16 |
+
Protestant: Lutheran · Reformed · Anabaptist · Baptist · Anglican · Methodist · Evangelical · Holiness · Pentecostal
|
17 |
+
Eastern: Eastern Orthodox · Oriental Orthodox · Assyrian
|
ensimple/4411.html.txt
ADDED
@@ -0,0 +1,6 @@
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|
1 |
+
Skydiving is parachuting from an airplane for fun. Skydiving can be done individually and with groups of people. Training is required. Unlike most paratroopers, skydivers often wait until they are low, before opening the parachute. The jump can also be made from a helicopter or a balloon that is high enough in the sky. Skydiving can be an exciting sport.
|
2 |
+
|
3 |
+
Skydiving includes free falling (usually from an aeroplane) through the air prior to opening a parachute. Typically skydives are carried out from around 4,000m (or 12,500ft) offering 40 to 50 seconds of freefall time. Longer free fall times can be achieved by exiting an aircraft at altitudes much higher than 4,000m, but such jumps require pressurized oxygen within the aircraft as well as bottled oxygen for very high skydives. During a skydive, total freedom and control of the air can be enjoyed as well as many complex and spectacular manoeuvres including flat turns, somersaults and formation skydiving. Skydiving can be enjoyed either as an individual - doing solo(alone) jumps - or as part of a team carrying out formation skydiving. Generally, the term ‘skydive’ refers to the time spent in freefall from exiting an aircraft to deploying a parachute but skydiving does include some disciplines such as accuracy landings and canopy formation flying which concentrate on the time spent once a canopy has been deployed.
|
4 |
+
|
5 |
+
|
6 |
+
|
ensimple/4412.html.txt
ADDED
@@ -0,0 +1,6 @@
|
|
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|
|
|
|
|
|
|
|
|
|
1 |
+
Skydiving is parachuting from an airplane for fun. Skydiving can be done individually and with groups of people. Training is required. Unlike most paratroopers, skydivers often wait until they are low, before opening the parachute. The jump can also be made from a helicopter or a balloon that is high enough in the sky. Skydiving can be an exciting sport.
|
2 |
+
|
3 |
+
Skydiving includes free falling (usually from an aeroplane) through the air prior to opening a parachute. Typically skydives are carried out from around 4,000m (or 12,500ft) offering 40 to 50 seconds of freefall time. Longer free fall times can be achieved by exiting an aircraft at altitudes much higher than 4,000m, but such jumps require pressurized oxygen within the aircraft as well as bottled oxygen for very high skydives. During a skydive, total freedom and control of the air can be enjoyed as well as many complex and spectacular manoeuvres including flat turns, somersaults and formation skydiving. Skydiving can be enjoyed either as an individual - doing solo(alone) jumps - or as part of a team carrying out formation skydiving. Generally, the term ‘skydive’ refers to the time spent in freefall from exiting an aircraft to deploying a parachute but skydiving does include some disciplines such as accuracy landings and canopy formation flying which concentrate on the time spent once a canopy has been deployed.
|
4 |
+
|
5 |
+
|
6 |
+
|
ensimple/4413.html.txt
ADDED
@@ -0,0 +1 @@
|
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|
1 |
+
Paradise (or often called heaven) is an idea in religion. It is a place where everything is good.
|
ensimple/4414.html.txt
ADDED
@@ -0,0 +1,22 @@
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|
1 |
+
in South America (grey)
|
2 |
+
|
3 |
+
Paraguay, officially the Republic of Paraguay (Spanish: República del Paraguay), is a small country in South America. It is landlocked, meaning that it does not touch the ocean. It is bordered to the North and East by Brazil, the West by Bolivia, and the South and Southeast by Argentina. The main languages are Spanish and Guaraní.
|
4 |
+
Paraguay's population is about 6 million. The ethnic makeup of the population is like the following: Mestizo (mixed European and Amerindian) 80%, European 20%, unmixed Amerindian 1-3%, Asian 1-4%.
|
5 |
+
|
6 |
+
Over (20%) of the population lives below the poverty line.
|
7 |
+
|
8 |
+
Paraguay has two official languages, Spanish and Guarani. Guaraní is recognized as a national language.
|
9 |
+
|
10 |
+
The capital city is Asuncion. Asuncion was founded in 1537 by a man from Spain named Juan de Salazar. Paraguay was a colony of Spain. Paraguay became independent from Spain in 1811.
|
11 |
+
|
12 |
+
From 1865-1870 Paraguay lost land and most of its male population in the War of the Triple Alliance against Brazil, Argentina, and Uruguay. It gained land in the Chaco War against Bolivia in the 1930s.
|
13 |
+
|
14 |
+
Paraguay's religion is Roman Catholicism.
|
15 |
+
|
16 |
+
The weather is more humid in the east and dryer in the west.
|
17 |
+
|
18 |
+
Paraguay has 17 departments and one capital district (Distrito Capital). The departments are formed by districts.
|
19 |
+
|
20 |
+
The departments are grouped in two geographic regions, separated by the Paraguay river:
|
21 |
+
|
22 |
+
Notes
|
ensimple/4415.html.txt
ADDED
@@ -0,0 +1,9 @@
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|
1 |
+
A parallelogram is a polygon with four sides (a quadrilateral). It has two pairs of parallel sides (sides which never meet) and four edges. The opposite sides of a parallelogram have the same length (they are equally long). The word "parallelogram" comes from the Greek word "parallelogrammon" (bounded by parallel lines).[1] Rectangles, rhombuses, and squares are all parallelograms.
|
2 |
+
|
3 |
+
As shown in the picture on the right, because triangles ABE and CDE are congruent (have the same shape and size),
|
4 |
+
|
5 |
+
In all Parallelogram's opposite angles are equal to each other.
|
6 |
+
Angles which are not opposite in the Parallelogram will add up to 180 degrees.
|
7 |
+
|
8 |
+
A simple (non self-intersecting) quadrilateral is a parallelogram if and only if any one of the following statements is true:[2][3]
|
9 |
+
|
ensimple/4416.html.txt
ADDED
@@ -0,0 +1,9 @@
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|
1 |
+
A parallelogram is a polygon with four sides (a quadrilateral). It has two pairs of parallel sides (sides which never meet) and four edges. The opposite sides of a parallelogram have the same length (they are equally long). The word "parallelogram" comes from the Greek word "parallelogrammon" (bounded by parallel lines).[1] Rectangles, rhombuses, and squares are all parallelograms.
|
2 |
+
|
3 |
+
As shown in the picture on the right, because triangles ABE and CDE are congruent (have the same shape and size),
|
4 |
+
|
5 |
+
In all Parallelogram's opposite angles are equal to each other.
|
6 |
+
Angles which are not opposite in the Parallelogram will add up to 180 degrees.
|
7 |
+
|
8 |
+
A simple (non self-intersecting) quadrilateral is a parallelogram if and only if any one of the following statements is true:[2][3]
|
9 |
+
|
ensimple/4417.html.txt
ADDED
@@ -0,0 +1,9 @@
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|
1 |
+
An umbrella is a hand tool that is used to stop rain from falling on a person. It is also used to make shade and protect people from sunlight. An umbrella made for protection from the sunlight is called a parasol. And a plastic umbrella is cheap but it is fragile.
|
2 |
+
|
3 |
+
An umbrella.
|
4 |
+
|
5 |
+
Painting of people with umbrellas.
|
6 |
+
|
7 |
+
A man sitting under beach parasol.
|
8 |
+
|
9 |
+
Painting of a woman with a parasol.
|
ensimple/4418.html.txt
ADDED
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|
1 |
+
Parasitism is a form of one-sided symbiosis.[1][2] The parasites live off the host. They may, or may not, harm the host. Parasitoids, on the other hand, usually kill their hosts. A parasitic relationship is the opposite of a mutualistic relationship.[3] Examples of parasites in humans include tapeworms and leeches. World-wide, the most serious cause of human death by a parasite is malaria.
|
2 |
+
|
3 |
+
A definition:
|
4 |
+
|
5 |
+
"Humans are hosts to nearly 300 species of parasitic worms and over 70 species of protozoa, some derived from our primate ancestors and some acquired from the animals we have domesticated or come in contact with during our relatively short history on Earth. Our knowledge of parasitic infections extends into antiquity".[5]
|
6 |
+
|
7 |
+
When the above definition is applied, many organisms which eat plants can be seen as parasites, because they feed largely or wholly on one individual plant. Examples would include many herbivorous insects: the Hemiptera or true bugs (leafhoppers, froghoppers, aphids, scale insects and whiteflies). The larvae of Lepidoptera usually feed and mature on a single individual of the host plant species, and what they eat accounts for most of the food for their complete life span. Moreover, caterpillars can and often do serious damage to the host's foliage. Other orders also have many parasitic herbivores: Thysanoptera (thrips), Coleoptera (beetles), Diptera (flies).
|
8 |
+
|
9 |
+
Parasites of larger animals account for much research done for veterinarian and medical purposes. These parasites include viruses, bacteria, protozoa, flatworms (flukes and tapeworms), nematodes (roundworms), arthropods (crustacea, insects, mites). Parasitic wasps and flies are of great interest to the entomologist, and may be used in biological control.
|
10 |
+
|
11 |
+
On the other hand, many blood-sucking insects (such as mosquitoes) have only brief contact with a host, and so perhaps should not be regarded as parasites.[6]p5
|
12 |
+
|
13 |
+
A huge number of species are parasitic. A survey of the feeding habits of British insects showed that about 35% were parasites on plants, and slightly more were parasites on animals.[7] That means that nearly 71% of insects in Britain are parasitic. Since British insects are better known than those elsewhere (because of the length of time they have been studied), this means that the majority of insect species throughout the world are parasitic. Also, there are several other invertebrate phyla which are wholly or largely parasitic. Flatworms and roundworms are found in virtually every wild species of vertebrate. Protozoan parasites are also ubiquitous.[8] Hence parasitism is almost certainly the most common feeding method on Earth.
|
14 |
+
|
15 |
+
Parasites are adapted to small, separated habitats. For a parasite, each host is an island surrounded by a hostile environment.[9] For a small organism, the distances between hosts, or groups of hosts, is a hazard. Adaptations to bridge this hazard are:
|
16 |
+
|
17 |
+
So parasites exist in small, genetically similar groups with little flow of genes between them. In consequence, they have adaptations to solve their problems of dispersal and reproduction.[6]
|
18 |
+
|
19 |
+
Parasites face an environment which varies in time and space. Consequently, both local (geographic) races and polymorphism occur. Both may occur in the same species. Parasites are very specialised feeders: many species have only one host at any stage of their life cycle. A few use more than two host species.[6]
|
20 |
+
|
21 |
+
Many parasites have complex life-cycles. Tremadodes, the flukes, are a parasitic class of flatworms (Platyhelminths), with over 20,000 species. Most of them infect molluscs in the first part of the life-cycle, and vertebrates in the second part. The biology of scrub typhus is even more complex. It involves these factors:[11]
|
22 |
+
|
23 |
+
The occurrence of all these factors together would be limited in space, and brief in time. This is typical of the ecology of parasitic infections.
|
24 |
+
|
25 |
+
Both evolutionary rates and speciation rates can be high. Sibling species are very common in the bug Erythroneura, in which about 150 transfers from one host to another has resulted in about 500 species in the genus.[12]
|
26 |
+
|
27 |
+
The clearest evidence comes from the large size of many parasitic families.
|
28 |
+
|
29 |
+
Sometimes there is good evidence of the speed of speciation. For example, five or more species of the moth Hedylepta must have evolved within 1000 years in Hawaii, because they are specific to banana, which was only introduced then.[13]
|
30 |
+
|
31 |
+
Adaptive radiation in parasites is extensive. Its development in each taxon (group) depends on:
|
32 |
+
|
33 |
+
Diversity of hosts is a big factor. If many related species of host are available, then many related species of parasite will evolve. Mites on Lepidoptera families or fleas on mammals and birds are good examples. Eichler's rule goes as follows:
|
34 |
+
|
35 |
+
The two British oaks support some 439 species of parasite directly, and indirectly many hundred more which parasitise these parasites. "It would certainly be an underestimate to say that the two British species of oak are the primary products for a thousand species of parasite".[6]p28 Obviously, the large size of these trees is a factor in the number of parasite species. In general, this holds whether the host is a plant or an animal. A larger bird will harbour more species of ectoparasite than a small bird.
|
36 |
+
|
37 |
+
One of the reasons large trees have so many parasites is that they may have lived a long time in a particular area compared with other types of plant. They have had longer to accumulate parasites.
|
38 |
+
|
39 |
+
Parasites can be most useful in sorting out the phylogenetic relationships of their hosts. Sibling host species have been discovered when their parasites diverged. Common ancestors of present-day parasites were themselves parasites of the common ancestors of present-day hosts.
|
40 |
+
|
41 |
+
As the host evolves defences, so the parasite evolves to cope with this. This is co-evolution.
|
42 |
+
|
43 |
+
Consider two families of host plants, the Umbellifers (fennel, cumin, parsley, hemlock) and the Gramineae (grasses). The umbellifers have many aromatic species, and are chemically diverse and pharmaceutically interesting. Their resins and oils are defences against herbivory and parasitism. On the other hand, grasses have one big defence to herbivores: their stony inclusions in their cells wear down the teeth of herbivorous mammals, but they have few chemical defences. Both families are attacked by leaf-miner flies. There are four times as many grass species as there are umbellifers, but there are twice as many leaf-miner species on the umbellifers.
|
44 |
+
|
45 |
+
This is speciation which does not require geographical isolation. Ernst Mayr, the chief exponent of geographical speciation, admitted that host races of phytophagous animals "constitute the only known case indicating the possible occurrence of incipient sympatric speciation".[15]
|
ensimple/4419.html.txt
ADDED
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|
1 |
+
Parasitism is a form of one-sided symbiosis.[1][2] The parasites live off the host. They may, or may not, harm the host. Parasitoids, on the other hand, usually kill their hosts. A parasitic relationship is the opposite of a mutualistic relationship.[3] Examples of parasites in humans include tapeworms and leeches. World-wide, the most serious cause of human death by a parasite is malaria.
|
2 |
+
|
3 |
+
A definition:
|
4 |
+
|
5 |
+
"Humans are hosts to nearly 300 species of parasitic worms and over 70 species of protozoa, some derived from our primate ancestors and some acquired from the animals we have domesticated or come in contact with during our relatively short history on Earth. Our knowledge of parasitic infections extends into antiquity".[5]
|
6 |
+
|
7 |
+
When the above definition is applied, many organisms which eat plants can be seen as parasites, because they feed largely or wholly on one individual plant. Examples would include many herbivorous insects: the Hemiptera or true bugs (leafhoppers, froghoppers, aphids, scale insects and whiteflies). The larvae of Lepidoptera usually feed and mature on a single individual of the host plant species, and what they eat accounts for most of the food for their complete life span. Moreover, caterpillars can and often do serious damage to the host's foliage. Other orders also have many parasitic herbivores: Thysanoptera (thrips), Coleoptera (beetles), Diptera (flies).
|
8 |
+
|
9 |
+
Parasites of larger animals account for much research done for veterinarian and medical purposes. These parasites include viruses, bacteria, protozoa, flatworms (flukes and tapeworms), nematodes (roundworms), arthropods (crustacea, insects, mites). Parasitic wasps and flies are of great interest to the entomologist, and may be used in biological control.
|
10 |
+
|
11 |
+
On the other hand, many blood-sucking insects (such as mosquitoes) have only brief contact with a host, and so perhaps should not be regarded as parasites.[6]p5
|
12 |
+
|
13 |
+
A huge number of species are parasitic. A survey of the feeding habits of British insects showed that about 35% were parasites on plants, and slightly more were parasites on animals.[7] That means that nearly 71% of insects in Britain are parasitic. Since British insects are better known than those elsewhere (because of the length of time they have been studied), this means that the majority of insect species throughout the world are parasitic. Also, there are several other invertebrate phyla which are wholly or largely parasitic. Flatworms and roundworms are found in virtually every wild species of vertebrate. Protozoan parasites are also ubiquitous.[8] Hence parasitism is almost certainly the most common feeding method on Earth.
|
14 |
+
|
15 |
+
Parasites are adapted to small, separated habitats. For a parasite, each host is an island surrounded by a hostile environment.[9] For a small organism, the distances between hosts, or groups of hosts, is a hazard. Adaptations to bridge this hazard are:
|
16 |
+
|
17 |
+
So parasites exist in small, genetically similar groups with little flow of genes between them. In consequence, they have adaptations to solve their problems of dispersal and reproduction.[6]
|
18 |
+
|
19 |
+
Parasites face an environment which varies in time and space. Consequently, both local (geographic) races and polymorphism occur. Both may occur in the same species. Parasites are very specialised feeders: many species have only one host at any stage of their life cycle. A few use more than two host species.[6]
|
20 |
+
|
21 |
+
Many parasites have complex life-cycles. Tremadodes, the flukes, are a parasitic class of flatworms (Platyhelminths), with over 20,000 species. Most of them infect molluscs in the first part of the life-cycle, and vertebrates in the second part. The biology of scrub typhus is even more complex. It involves these factors:[11]
|
22 |
+
|
23 |
+
The occurrence of all these factors together would be limited in space, and brief in time. This is typical of the ecology of parasitic infections.
|
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+
|
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+
Both evolutionary rates and speciation rates can be high. Sibling species are very common in the bug Erythroneura, in which about 150 transfers from one host to another has resulted in about 500 species in the genus.[12]
|
26 |
+
|
27 |
+
The clearest evidence comes from the large size of many parasitic families.
|
28 |
+
|
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+
Sometimes there is good evidence of the speed of speciation. For example, five or more species of the moth Hedylepta must have evolved within 1000 years in Hawaii, because they are specific to banana, which was only introduced then.[13]
|
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+
|
31 |
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Adaptive radiation in parasites is extensive. Its development in each taxon (group) depends on:
|
32 |
+
|
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+
Diversity of hosts is a big factor. If many related species of host are available, then many related species of parasite will evolve. Mites on Lepidoptera families or fleas on mammals and birds are good examples. Eichler's rule goes as follows:
|
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+
|
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The two British oaks support some 439 species of parasite directly, and indirectly many hundred more which parasitise these parasites. "It would certainly be an underestimate to say that the two British species of oak are the primary products for a thousand species of parasite".[6]p28 Obviously, the large size of these trees is a factor in the number of parasite species. In general, this holds whether the host is a plant or an animal. A larger bird will harbour more species of ectoparasite than a small bird.
|
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+
|
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One of the reasons large trees have so many parasites is that they may have lived a long time in a particular area compared with other types of plant. They have had longer to accumulate parasites.
|
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+
|
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Parasites can be most useful in sorting out the phylogenetic relationships of their hosts. Sibling host species have been discovered when their parasites diverged. Common ancestors of present-day parasites were themselves parasites of the common ancestors of present-day hosts.
|
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|
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+
As the host evolves defences, so the parasite evolves to cope with this. This is co-evolution.
|
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|
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Consider two families of host plants, the Umbellifers (fennel, cumin, parsley, hemlock) and the Gramineae (grasses). The umbellifers have many aromatic species, and are chemically diverse and pharmaceutically interesting. Their resins and oils are defences against herbivory and parasitism. On the other hand, grasses have one big defence to herbivores: their stony inclusions in their cells wear down the teeth of herbivorous mammals, but they have few chemical defences. Both families are attacked by leaf-miner flies. There are four times as many grass species as there are umbellifers, but there are twice as many leaf-miner species on the umbellifers.
|
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+
|
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This is speciation which does not require geographical isolation. Ernst Mayr, the chief exponent of geographical speciation, admitted that host races of phytophagous animals "constitute the only known case indicating the possible occurrence of incipient sympatric speciation".[15]
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ensimple/442.html.txt
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Atoms are very small pieces of matter. There are many different types of atoms, each with its own name, mass and size. These different types of atoms are called chemical elements. The chemical elements are organized on the periodic table. Examples of elements are hydrogen and gold.
|
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|
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Atoms are very small, but their exact size depends on the element. Atoms range from 0.1 to 0.5 nanometers in width.[1] One nanometer is about 100,000 times smaller than the width of a human hair.[2] This makes atoms impossible to see without special tools. Scientists discover how they work and interact with other atoms through experiments.
|
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+
|
5 |
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Atoms can join together to make molecules: for example, two hydrogen atoms and one oxygen atom combine to make a water molecule. When atoms join together it is called a chemical reaction.
|
6 |
+
|
7 |
+
Atoms are made up of three kinds of smaller particles, called protons, neutrons and electrons. The protons and neutrons are heavier, and stay in the middle of the atom, which is called the nucleus. The nucleus is surrounded by a cloud of light-weight electrons, these are attracted to the protons in the nucleus by the electromagnetic force because they have opposite electric charges.
|
8 |
+
|
9 |
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The number of protons an atom has defines what chemical element it is, this number is sometimes called its atomic number. For example, hydrogen has one proton and sulfur has 16 protons. Because the mass of neutrons and protons is very similar, and the mass of electrons is very small, we can call the amount of protons and neutrons in an atom its atomic mass.[3]
|
10 |
+
|
11 |
+
Atoms move faster when they are in their gas form (because they are free to move) than they do in liquid form and solid matter. In solid materials, the atoms are tightly packed next to each other so they vibrate, but are not able to move (there is no room) as atoms in liquids do.
|
12 |
+
|
13 |
+
The word "atom" comes from the Greek (ἀτόμος) "atomos", indivisible, from (ἀ)-, not, and τόμος, a cut. The first historical mention of the word atom came from works by the Greek philosopher Democritus, around 400 BC. Atomic theory stayed as a mostly philosophical subject, with not much actual scientific investigation or study, until the development of chemistry in the 1650s.
|
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+
|
15 |
+
In 1777 French chemist Antoine Lavoisier defined the term element for the first time. He said that an element was any basic substance that could not be broken down into other substances by the methods of chemistry. Any substance that could be broken down was a compound.[4]
|
16 |
+
|
17 |
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In 1803, English philosopher John Dalton suggested that elements were tiny, solid balls made of atoms. Dalton believed that all atoms of the same element have the same mass. He said that compounds are formed when atoms of more than one element combine. According to Dalton, in a certain compound, the atoms of the compound's elements always combine the same way.
|
18 |
+
|
19 |
+
In 1827, British scientist Robert Brown looked at pollen grains in water under his microscope. The pollen grains appeared to be jiggling. Brown used Dalton's atomic theory to describe patterns in the way they moved. This was called brownian motion. In 1905 Albert Einstein used mathematics to prove that the seemingly random movements were caused by the reactions of atoms, and by doing this he conclusively proved the existence of the atom.[5]
|
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+
In 1869, Russian scientist Dmitri Mendeleev published the first version of the periodic table. The periodic table groups elements by their atomic number (how many protons they have. This is usually the same as the number of electrons).
|
21 |
+
Elements in the same column, or period, usually have similar properties. For example, helium, neon, argon, krypton and xenon are all in the same column and have very similar properties. All these elements are gases that have no colour and no smell. Also, they are unable to combine with other atoms to form compounds. Together they are known as the noble gases.[4]
|
22 |
+
|
23 |
+
The physicist J.J. Thomson was the first person to discover electrons. This happened while he was working with cathode rays in 1897. He realized they had a negative charge, unlike protons (positive) and neutrons (no charge). Thomson created the plum pudding model, which stated that an atom was like plum pudding: the dried fruit (electrons) were stuck in a mass of pudding (protons). In 1909, a scientist named Ernest Rutherford used the Geiger–Marsden experiment to prove that most of an atom is in a very small space called the atomic nucleus. Rutherford took a photo plate and covered it with gold foil, and then shot alpha particles (made of two protons and two neutrons stuck together) at it. Many of the particles went through the gold foil, which proved that atoms are mostly empty space. Electrons are so small they make up only 1% of an atom's mass.[6]
|
24 |
+
|
25 |
+
In 1913, Niels Bohr introduced the Bohr model. This model showed that electrons travel around the nucleus in fixed circular orbits. This was more accurate than the Rutherford model. However, it was still not completely right. Improvements to the Bohr model have been made since it was first introduced.
|
26 |
+
|
27 |
+
In 1925, chemist Frederick Soddy found that some elements in the periodic table had more than one kind of atom.[7]
|
28 |
+
For example, any atom with 2 protons should be a helium atom. Usually, a helium nucleus also contains two neutrons. However, some helium atoms have only one neutron. This means they truly are helium, because an element is defined by the number of protons, but they are not normal helium, either. Soddy called an atom like this, with a different number of neutrons, an isotope. To get the name of the isotope we look at how many protons and neutrons it has in its nucleus and add this to the name of the element. So a helium atom with two protons and one neutron is called helium-3, and a carbon atom with six protons and six neutrons is called carbon-12. However, when he developed his theory Soddy could not be certain neutrons actually existed. To prove they were real, physicist James Chadwick and a team of others created the mass spectrometer.[8] The mass spectrometer actually measures the mass and weight of individual atoms. By doing this Chadwick proved that to account for all the weight of the atom, neutrons must exist.
|
29 |
+
|
30 |
+
In 1937, German chemist Otto Hahn became the first person to create nuclear fission in a laboratory. He discovered this by chance when he was shooting neutrons at a uranium atom, hoping to create a new isotope.[9] However, he noticed that instead of a new isotope the uranium simply changed into a barium atom, a smaller atom than uranium. Apparently, Hahn had "broken" the uranium atom. This was the world's first recorded nuclear fission reaction. This discovery eventually led to the creation of the atomic bomb.
|
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+
|
32 |
+
Further into the 20th century, physicists went deeper into the mysteries of the atom. Using particle accelerators they discovered that protons and neutrons were actually made of other particles, called quarks.
|
33 |
+
|
34 |
+
The most accurate model so far comes from the Schrödinger equation. Schrödinger realized that the electrons exist in a cloud around the nucleus, called the electron cloud. In the electron cloud, it is impossible to know exactly where electrons are. The Schrödinger equation is used to find out where an electron is likely to be. This area is called the electron's orbital.
|
35 |
+
|
36 |
+
The complex atom is made up of three main particles; the proton, the neutron and the electron. The isotope of Hydrogen Hydrogen-1 has no neutrons, just the one proton and one electron. Electrons have a positive electric charge and electrons have a negative charge. A positive hydrogen ion has no electrons, just the one proton. These two examples are the only known exceptions to the rule that all other atoms have at least one proton, one neutron and one electron each.
|
37 |
+
|
38 |
+
Electrons are by far the smallest of the three atomic particles, their mass and size is too small to be measured using current technology.[10] They have a negative charge. Protons and neutrons are of similar size and weight to each other,[10] protons are positively charged and neutrons have no charge.
|
39 |
+
Most atoms have a neutral charge; because the number of protons (positive) and electrons (negative) are the same, the charges balance out to zero. However, in ions (different number of electrons) this is not always the case, and they can have a positive or a negative charge. Protons and neutrons are made out of quarks, of two types; up quarks and down quarks. A proton is made of two up quarks and one down quark and a neutron is made of two down quarks and one up quark.
|
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+
|
41 |
+
The nucleus is in the middle of an atom. It is made up of protons and neutrons. Usually in nature, two things with the same charge repel or shoot away from each other. So for a long time it was a mystery to scientists how the positively charged protons in the nucleus stayed together. They solved this by finding a particle called a gluon. Its name comes from the word glue as gluons act like atomic glue, sticking the protons together using the strong nuclear force. It is this force which also holds the quarks together that make up the protons and neutrons.
|
42 |
+
|
43 |
+
The number of neutrons in relation to protons defines whether the nucleus is stable or goes through radioactive decay. When there are too many neutrons or protons, the atom tries to make the numbers the same by getting rid of the extra particles. It does this by emitting radiation in the form of alpha, beta or gamma decay.[11] Nuclei can change through other means too. Nuclear fission is when the nucleus splits into two smaller nuclei, releasing a lot of stored energy. This release of energy is what makes nuclear fission useful for making bombs and electricity, in the form of nuclear power.
|
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+
The other way nuclei can change is through nuclear fusion, when two nuclei join together, or fuse, to make a heavier nucleus. This process requires extreme amounts of energy in order to overcome the electrostatic repulsion between the protons, as they have the same charge. Such high energies are most common in stars like our Sun, which fuses hydrogen for fuel.
|
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+
|
46 |
+
Electrons orbit, or travel around, the nucleus. They are called the atom's electron cloud. They are attracted towards the nucleus because of the electromagnetic force. Electrons have a negative charge and the nucleus always has a positive charge, so they attract each other.
|
47 |
+
Around the nucleus, some electrons are further out than others, in different layers. These are called electron shells. In most atoms the first shell has two electrons, and all after that have eight. Exceptions are rare, but they do happen and are difficult to predict.[12] The further away the electron is from the nucleus, the weaker the pull of the nucleus on it. This is why bigger atoms, with more electrons, react more easily with other atoms.
|
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+
The electromagnetism of the nucleus is not strong enough to hold onto their electrons and atoms lose electrons to the strong attraction of smaller atoms.[13]
|
49 |
+
|
50 |
+
Some elements, and many isotopes, have what is called an unstable nucleus. This means the nucleus is either too big to hold itself together[14] or has too many protons or neutrons. When this happens the nucleus has to get rid of the excess mass or particles. It does this through radiation. An atom that does this can be called radioactive. Unstable atoms continue to be radioactive until they lose enough mass/particles that they become stable. All atoms above atomic number 82 (82 protons, lead) are radioactive.[14]
|
51 |
+
|
52 |
+
There are three main types of radioactive decay; alpha, beta and gamma.[15]
|
53 |
+
|
54 |
+
Every radioactive element or isotope has what is named a half-life. This is how long it takes half of any sample of atoms of that type to decay until they become a different stable isotope or element.[16] Large atoms, or isotopes with a big difference between the number of protons and neutrons will therefore have a long half life, because they must lose more neutrons to become stable.
|
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+
|
56 |
+
Marie Curie discovered the first form of radiation. She found the element and named it radium. She was also the first female recipient of the Nobel Prize.
|
57 |
+
|
58 |
+
Frederick Soddy conducted an experiment to observe what happens as radium decays. He placed a sample in a light bulb and waited for it to decay. Suddenly, helium (containing 2 protons and 2 neutrons) appeared in the bulb, and from this experiment he discovered this type of radiation has a positive charge.
|
59 |
+
|
60 |
+
James Chadwick discovered the neutron, by observing decay products of different types of radioactive isotopes. Chadwick noticed that the atomic number of the elements was lower than the total atomic mass of the atom. He concluded that electrons could not be the cause of the extra mass because they barely have mass.
|
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+
|
62 |
+
Enrico Fermi, used the neutrons to shoot them at uranium. He discovered that uranium decayed a lot faster than usual and produced a lot of alpha and beta particles. He also believed that uranium got changed into a new element he named hesperium.
|
63 |
+
|
64 |
+
Otto Hanh and Fritz Strassmann repeated Fermi's experiment to see if the new element hesperium was actually created. They discovered two new things Fermi did not observe. By using a lot of neutrons the nucleus of the atom would split, producing a lot of heat energy. Also the fission products of uranium were already discovered: thorium, palladium, radium, radon and lead.
|
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+
|
66 |
+
Fermi then noticed that the fission of one uranium atom shot off more neutrons, which then split other atoms, creating chain reactions. He realised that this process is called nuclear fission and could create huge amounts of heat energy.
|
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|
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+
That very discovery of Fermi's led to the development of the first nuclear bomb code-named 'Trinity'.
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ensimple/4420.html.txt
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An umbrella is a hand tool that is used to stop rain from falling on a person. It is also used to make shade and protect people from sunlight. An umbrella made for protection from the sunlight is called a parasol. And a plastic umbrella is cheap but it is fragile.
|
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|
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An umbrella.
|
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Painting of people with umbrellas.
|
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A man sitting under beach parasol.
|
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Painting of a woman with a parasol.
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ensimple/4421.html.txt
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A zoological garden, zoological park, or zoo is a place where many different species types of animals are kept so people can see and watch them.[1]
|
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|
3 |
+
Modern zoos try not only to be for people's entertainment, but for education, research, and the conservation and protection of animals. Many zoos are centers where rare animals are preserved when they are in danger of dying out. These modern zoos also want to give the animals a natural life, so that they are healthy and behave normal. This is done for the animals, but also that people can see the animals as if they were in nature, and not in a zoo.
|
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|
5 |
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Zoos cost money. They educate the public on the biological diversity that makes up the world. They help people and wildlife successfully coexist. They pursue continuing research and education for people. They preserve crucial natural resources. They work to ensure zoos can provide the most natural environment possible for wildlife in its care. Without enough money they cannot do these things.
|
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|
7 |
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Many zoos are not like the modern type of zoo. There the animals are held in bad conditions. They are kept in small cages, and they are bored and get sick.
|
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|
9 |
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Giraffes in the Tiergarten Schönbrunn, Vienna.
|
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Penguins at London Zoo.
|
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|
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Giant Pandas in Chiang Mai Zoo.
|
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|
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Toucans at Bronx Zoo.
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ensimple/4422.html.txt
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+
A zoological garden, zoological park, or zoo is a place where many different species types of animals are kept so people can see and watch them.[1]
|
2 |
+
|
3 |
+
Modern zoos try not only to be for people's entertainment, but for education, research, and the conservation and protection of animals. Many zoos are centers where rare animals are preserved when they are in danger of dying out. These modern zoos also want to give the animals a natural life, so that they are healthy and behave normal. This is done for the animals, but also that people can see the animals as if they were in nature, and not in a zoo.
|
4 |
+
|
5 |
+
Zoos cost money. They educate the public on the biological diversity that makes up the world. They help people and wildlife successfully coexist. They pursue continuing research and education for people. They preserve crucial natural resources. They work to ensure zoos can provide the most natural environment possible for wildlife in its care. Without enough money they cannot do these things.
|
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+
|
7 |
+
Many zoos are not like the modern type of zoo. There the animals are held in bad conditions. They are kept in small cages, and they are bored and get sick.
|
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|
9 |
+
Giraffes in the Tiergarten Schönbrunn, Vienna.
|
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|
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Penguins at London Zoo.
|
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|
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Giant Pandas in Chiang Mai Zoo.
|
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|
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Toucans at Bronx Zoo.
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Parents are the mother and father or caretaker of their offspring.
|
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In humans, a parent is the mother or the father figure of a child. They are either biologically or legally related to the person. When parents separate and choose who takes care of a child it is called custody. Parents who fail in their duty may be guilty of child abuse.
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Paris (nicknamed the "City of light") is the capital city of France, and the largest city in France. The area is 105 square kilometres (41 square miles), and around 2.15 million people live there. If suburbs are counted, the population of the Paris area rises to 12 million people.
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The Seine river runs through the oldest part of Paris, and divides it into two parts, known as the Left Bank and the Right Bank. It is surrounded by many forests.
|
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Paris is also the center of French economy, politics, traffic and culture. Paris has many art museums and historical buildings. As a traffic center, Paris has a very good underground subway system (called the Metro). It also has two airports. The Metro was built in 1900, and its total length is more than 200 km (120 mi).
|
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The city has a multi-cultural style, because 20% of the people there are from outside France.[source?] There are many different restaurants with all kinds of food. Paris also has some types of pollution like air pollution and light pollution.
|
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|
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Julius Caesar conquered the Celtic "Parisii" tribe in 51 BC. The Romans called the place Lutetia of the Parisii, or "Lutetia Parisiorum".[3][4][5] The place got a shorter name, "Paris", in 212 AD.[6]
|
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As the Roman Empire began to fall apart in the West, the Germanic tribe called the Franks moved in, taking it in 464. In 506, their king Clovis I made it his capital. Charlemagne moved his capital to Aachen in Germany, but Paris continued as an important town and was attacked by the Vikings twice. When Hugh Capet became king of France in 987, he again made Paris his capital. For a long time, the kings only controlled Paris and the surrounding area, as much of the rest of France was in the hands of barons or English. During the Hundred Years' War, the English controlled Paris from 1420 to 1437.
|
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|
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During the Protestant Reformation, a huge massacre of French Protestants started there in 1572, called the Saint Bartholomew Day Massacre. Paris saw many other troubles over the years of the "Ancien Régime" (Old Kingdom), then in 1789, the French Revolution began in Paris, leading to more massacres.
|
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|
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Paris was the Capital of the French Empire which, as well as France, covered Spain, Belgium, Holland, Luxembourg, Switzerland, Italy, most of Germany and some of Austria, Croatia, Slovenia and Poland. The Empire ruled by Napoleon was from 1804-1814/1815. The Russian army seized Paris from Napoleon in 1814, and the Prussian army captured it in 1871. The next time it was captured was by the Nazi Germans in 1940. The Allies freed the city in 1944 and it has not since been captured.
|
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|
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Paris has an oceanic climate in the Köppen climate classification. It has warm summers and cold winters, and rainfall year-round.
|
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|
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Paris has much to offer for sightseeing. Here are five very famous examples:
|
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|
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Because the city of Paris is roughly only 6 miles across, visitors have a wide range of options when it comes to transportation. While much of the more well-known attractions are in the center of the city and are best experienced by walking, there are many destinations that require other means of transport. While taxis offer a fast and relatively inexpensive means of travel, Paris’ public transportation system offers an enjoyable, stress-free way to explore the city.
|
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|
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The Paris Métro system was built in 1900 by engineer Fulgence Bienvenüe and architect Hector Guimard. The Métro covers over 124 miles with 300 stations[14] and 16 lines. Servicing over 6 million residents and tourists every day, the Métro was designed to be an efficient and reliable alternative to the congestion of traffic. Every building in Paris is less than 500 meters from a train station, so accessibility is never a problem. The 16 Métro lines are identified by their final destinations. A rider can simply select the appropriate line and take it in the direction s/he wants. The Métro stations are well marked, and there are ticket booths at most entrances.
|
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|
25 |
+
There are five airports that serve Paris: Charles de Gaulle Airport, Orly Airport, Beauvais-Tillé Airport and Paris–Le Bourget Airport, and Châlons Vatry Airport.
|
26 |
+
|
27 |
+
Amsterdam, Netherlands ·
|
28 |
+
Athens, Greece ·
|
29 |
+
Berlin, Germany ·
|
30 |
+
Bratislava, Slovakia ·
|
31 |
+
Brussels, Belgium ·
|
32 |
+
Bucharest, Romania ·
|
33 |
+
Budapest, Hungary ·
|
34 |
+
Copenhagen, Denmark ·
|
35 |
+
Dublin, Republic of Ireland ·
|
36 |
+
Helsinki, Finland ·
|
37 |
+
Lisbon, Portugal ·
|
38 |
+
Ljubljana, Slovenia ·
|
39 |
+
Luxembourg City, Luxembourg ·
|
40 |
+
Madrid, Spain ·
|
41 |
+
Nicosia, Cyprus1 ·
|
42 |
+
Paris, France ·
|
43 |
+
Prague, Czech Republic ·
|
44 |
+
Riga, Latvia ·
|
45 |
+
Rome, Italy ·
|
46 |
+
Sofia, Bulgaria ·
|
47 |
+
Stockholm, Sweden ·
|
48 |
+
Tallinn, Estonia ·
|
49 |
+
Valletta, Malta ·
|
50 |
+
Vienna, Austria ·
|
51 |
+
Vilnius, Lithuania ·
|
52 |
+
Warsaw, Poland ·
|
53 |
+
Zagreb, Croatia
|
54 |
+
|
55 |
+
Andorra la Vella, Andorra ·
|
56 |
+
Ankara, Turkey1 ·
|
57 |
+
Belgrade, Serbia ·
|
58 |
+
Bern, Switzerland ·
|
59 |
+
Chişinău, Moldova ·
|
60 |
+
Kyiv, Ukraine ·
|
61 |
+
London, United Kingdom ·
|
62 |
+
Minsk, Belarus ·
|
63 |
+
Monaco-Ville, Monaco ·
|
64 |
+
Moscow, Russia1 ·
|
65 |
+
Oslo, Norway ·
|
66 |
+
Podgorica, Montenegro ·
|
67 |
+
Reykjavík, Iceland ·
|
68 |
+
San Marino, San Marino ·
|
69 |
+
Sarajevo, Bosnia Herzegovina ·
|
70 |
+
Skopje, Republic of Macedonia ·
|
71 |
+
Tbilisi, Georgia1 ·
|
72 |
+
Tirana, Albania ·
|
ensimple/4425.html.txt
ADDED
@@ -0,0 +1,72 @@
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1 |
+
Paris (nicknamed the "City of light") is the capital city of France, and the largest city in France. The area is 105 square kilometres (41 square miles), and around 2.15 million people live there. If suburbs are counted, the population of the Paris area rises to 12 million people.
|
2 |
+
|
3 |
+
The Seine river runs through the oldest part of Paris, and divides it into two parts, known as the Left Bank and the Right Bank. It is surrounded by many forests.
|
4 |
+
|
5 |
+
Paris is also the center of French economy, politics, traffic and culture. Paris has many art museums and historical buildings. As a traffic center, Paris has a very good underground subway system (called the Metro). It also has two airports. The Metro was built in 1900, and its total length is more than 200 km (120 mi).
|
6 |
+
|
7 |
+
The city has a multi-cultural style, because 20% of the people there are from outside France.[source?] There are many different restaurants with all kinds of food. Paris also has some types of pollution like air pollution and light pollution.
|
8 |
+
|
9 |
+
Julius Caesar conquered the Celtic "Parisii" tribe in 51 BC. The Romans called the place Lutetia of the Parisii, or "Lutetia Parisiorum".[3][4][5] The place got a shorter name, "Paris", in 212 AD.[6]
|
10 |
+
|
11 |
+
As the Roman Empire began to fall apart in the West, the Germanic tribe called the Franks moved in, taking it in 464. In 506, their king Clovis I made it his capital. Charlemagne moved his capital to Aachen in Germany, but Paris continued as an important town and was attacked by the Vikings twice. When Hugh Capet became king of France in 987, he again made Paris his capital. For a long time, the kings only controlled Paris and the surrounding area, as much of the rest of France was in the hands of barons or English. During the Hundred Years' War, the English controlled Paris from 1420 to 1437.
|
12 |
+
|
13 |
+
During the Protestant Reformation, a huge massacre of French Protestants started there in 1572, called the Saint Bartholomew Day Massacre. Paris saw many other troubles over the years of the "Ancien Régime" (Old Kingdom), then in 1789, the French Revolution began in Paris, leading to more massacres.
|
14 |
+
|
15 |
+
Paris was the Capital of the French Empire which, as well as France, covered Spain, Belgium, Holland, Luxembourg, Switzerland, Italy, most of Germany and some of Austria, Croatia, Slovenia and Poland. The Empire ruled by Napoleon was from 1804-1814/1815. The Russian army seized Paris from Napoleon in 1814, and the Prussian army captured it in 1871. The next time it was captured was by the Nazi Germans in 1940. The Allies freed the city in 1944 and it has not since been captured.
|
16 |
+
|
17 |
+
Paris has an oceanic climate in the Köppen climate classification. It has warm summers and cold winters, and rainfall year-round.
|
18 |
+
|
19 |
+
Paris has much to offer for sightseeing. Here are five very famous examples:
|
20 |
+
|
21 |
+
Because the city of Paris is roughly only 6 miles across, visitors have a wide range of options when it comes to transportation. While much of the more well-known attractions are in the center of the city and are best experienced by walking, there are many destinations that require other means of transport. While taxis offer a fast and relatively inexpensive means of travel, Paris’ public transportation system offers an enjoyable, stress-free way to explore the city.
|
22 |
+
|
23 |
+
The Paris Métro system was built in 1900 by engineer Fulgence Bienvenüe and architect Hector Guimard. The Métro covers over 124 miles with 300 stations[14] and 16 lines. Servicing over 6 million residents and tourists every day, the Métro was designed to be an efficient and reliable alternative to the congestion of traffic. Every building in Paris is less than 500 meters from a train station, so accessibility is never a problem. The 16 Métro lines are identified by their final destinations. A rider can simply select the appropriate line and take it in the direction s/he wants. The Métro stations are well marked, and there are ticket booths at most entrances.
|
24 |
+
|
25 |
+
There are five airports that serve Paris: Charles de Gaulle Airport, Orly Airport, Beauvais-Tillé Airport and Paris–Le Bourget Airport, and Châlons Vatry Airport.
|
26 |
+
|
27 |
+
Amsterdam, Netherlands ·
|
28 |
+
Athens, Greece ·
|
29 |
+
Berlin, Germany ·
|
30 |
+
Bratislava, Slovakia ·
|
31 |
+
Brussels, Belgium ·
|
32 |
+
Bucharest, Romania ·
|
33 |
+
Budapest, Hungary ·
|
34 |
+
Copenhagen, Denmark ·
|
35 |
+
Dublin, Republic of Ireland ·
|
36 |
+
Helsinki, Finland ·
|
37 |
+
Lisbon, Portugal ·
|
38 |
+
Ljubljana, Slovenia ·
|
39 |
+
Luxembourg City, Luxembourg ·
|
40 |
+
Madrid, Spain ·
|
41 |
+
Nicosia, Cyprus1 ·
|
42 |
+
Paris, France ·
|
43 |
+
Prague, Czech Republic ·
|
44 |
+
Riga, Latvia ·
|
45 |
+
Rome, Italy ·
|
46 |
+
Sofia, Bulgaria ·
|
47 |
+
Stockholm, Sweden ·
|
48 |
+
Tallinn, Estonia ·
|
49 |
+
Valletta, Malta ·
|
50 |
+
Vienna, Austria ·
|
51 |
+
Vilnius, Lithuania ·
|
52 |
+
Warsaw, Poland ·
|
53 |
+
Zagreb, Croatia
|
54 |
+
|
55 |
+
Andorra la Vella, Andorra ·
|
56 |
+
Ankara, Turkey1 ·
|
57 |
+
Belgrade, Serbia ·
|
58 |
+
Bern, Switzerland ·
|
59 |
+
Chişinău, Moldova ·
|
60 |
+
Kyiv, Ukraine ·
|
61 |
+
London, United Kingdom ·
|
62 |
+
Minsk, Belarus ·
|
63 |
+
Monaco-Ville, Monaco ·
|
64 |
+
Moscow, Russia1 ·
|
65 |
+
Oslo, Norway ·
|
66 |
+
Podgorica, Montenegro ·
|
67 |
+
Reykjavík, Iceland ·
|
68 |
+
San Marino, San Marino ·
|
69 |
+
Sarajevo, Bosnia Herzegovina ·
|
70 |
+
Skopje, Republic of Macedonia ·
|
71 |
+
Tbilisi, Georgia1 ·
|
72 |
+
Tirana, Albania ·
|
ensimple/4426.html.txt
ADDED
@@ -0,0 +1,51 @@
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|
1 |
+
Parkour is an activity in which the goal is to move from one place to another as quickly and efficiently as possible, using the abilities of the human body.[1][2] Parkour helps to overcome barriers, and is practiced in rural and urban areas. Parkour practitioners are called traceurs, or traceuses for females.[3]
|
2 |
+
|
3 |
+
Founded by David Belle in France, practitioners only use efficient movements to develop their bodies and minds, and to be able to overcome barriers in an emergency. It may also be a form of entertainment or a hobby.
|
4 |
+
|
5 |
+
Acrobatics (such as flips and wall flips) are not part of parkour,[1] because of inefficiency in a difficult situation (emergency). Freerunning is the branch of parkour, when such flips are used rather than efficient movement.
|
6 |
+
|
7 |
+
In 1988, David Belle was 15 years old. His father Raymond Belle was a great fireman. David was influenced by his father. He left school at the age of 16 and his father helped him to make him stronger. David and his classmates began to create new actions to train themselves. They named it parkour.
|
8 |
+
|
9 |
+
The basic motion of parkour
|
10 |
+
1. Landing
|
11 |
+
2. Roll
|
12 |
+
3. Rolling
|
13 |
+
4. Swan dive
|
14 |
+
5. Balance
|
15 |
+
6. Cat balance
|
16 |
+
7. Precision one foot take off
|
17 |
+
8. Precision 2 footed take off
|
18 |
+
9. Dismount
|
19 |
+
10. Turn vault
|
20 |
+
11. Wall run
|
21 |
+
12. Tic tac
|
22 |
+
13. Tic tac to precision
|
23 |
+
14. Crane
|
24 |
+
15. Moonstep
|
25 |
+
16. Catleap
|
26 |
+
17. 180% cat
|
27 |
+
18. Running cat
|
28 |
+
19. Tic tac to cat
|
29 |
+
20. Monkey vault
|
30 |
+
21. Kingkong vault
|
31 |
+
22. Double kingkong
|
32 |
+
23. Diving kingkong
|
33 |
+
24. Kong precision
|
34 |
+
25. Kingkong cat
|
35 |
+
26. Dash vault
|
36 |
+
27. Kingkong dash
|
37 |
+
28. Lazy vault
|
38 |
+
29. Speed vault
|
39 |
+
30. Underbar
|
40 |
+
31. Lache
|
41 |
+
32. Hand stand
|
42 |
+
33. Flag
|
43 |
+
34.Palmspin
|
44 |
+
35. Wall spin
|
45 |
+
36. Aerial。
|
46 |
+
37. Sideflip
|
47 |
+
38. Backflip
|
48 |
+
39. Frontflip
|
49 |
+
40. Star Jumping
|
50 |
+
|
51 |
+
Parkour does involve risks and many people get injured every day. Injuries can range from a simple concussion to a broken limb or even worse: death.
|
ensimple/4427.html.txt
ADDED
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|
1 |
+
A parliament is a type of legislature.
|
2 |
+
|
3 |
+
The most famous parliament is probably the Parliament of the United Kingdom, which is sometimes called the "Mother of all Parliaments".[1] The word "parliament" comes from the French word parler, which means a talk.
|
4 |
+
|
5 |
+
The Althing, the national parliament of Iceland, was founded earlier (930 AD), so it is the oldest legislature in the world still existing. However, the Althing did not function as a legislature for four centuries, and its role as a primary legislature is modern.[2][3]
|
6 |
+
|
7 |
+
Other parliaments have copied the UK and work similarly. They have three levels - a lower house which makes the law, an upper house which reviews the law (Decides if they like it or not, and suggest changes to it), and a head of state who is mostly for show and who starts and ends each year of parliament. The Prime Minister is almost always the person whose party has the most seats, but if the lower house does not think he is doing a good job they can call a vote of no confidence and ask him to leave his job as Prime Minister or have an election.
|
8 |
+
|
9 |
+
Sometimes people use the word "parliament" to describe a legislature, even if it is not a real parliament. A "parliament" is a type of legislature which has a Prime Minister.
|
10 |
+
|
11 |
+
A parliament is a lot like a congress but a congress cannot ask the head of the government to leave his job. Also, a congress runs for a number of years according to the country's constitution, but a parliament can be stopped as long as enough members agree. Elections are held after this happens.
|
ensimple/4428.html.txt
ADDED
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|
1 |
+
– on the European continent (green & dark grey)– in the European Union (green) — [Legend]
|
2 |
+
|
3 |
+
Austria (German: Österreich; officially called Republic of Austria), is a country in Central Europe. Around Austria there are the countries of Germany, Czech Republic, Slovakia, Hungary, Slovenia, Italy, Switzerland, and Liechtenstein. Currently, the chancellor is Sebastian Kurz. The previous chancellor was Brigitte Bierlein (2019). Austria has been a member-state of the United Nations since 1955 the European Union since 1995 and OPEC since 2019.
|
4 |
+
|
5 |
+
The people in Austria speak German, a few also speak Hungarian, Slovenian and Croatian. The capital of Austria is Vienna (Wien).
|
6 |
+
|
7 |
+
Austria is more than a thousand years old. Its history can be followed to the ninth century. At that time the first people moved to the land now known as Austria. The name "Ostarrichi" is first written in an official document from 996. Since then this word has developed into the Modern German word Österreich, which literally means "East Empire."
|
8 |
+
|
9 |
+
Austria is a democratic republic. It is a neutral state, that means it does not take part in wars with other countries. It has been in the United Nations since 1955 and in the European Union since 1995.
|
10 |
+
|
11 |
+
Austria is also a federal state and divided into nine states (German: Bundesländer):
|
12 |
+
|
13 |
+
More information: States of Austria.
|
14 |
+
|
15 |
+
There has been human settlement in the area that is now Austria for a long time. The first settlers go back to the Paleolithic age. That was the time of the Neanderthals. They left works of art such as the Venus of Willendorf. In the Neolithic age people were living there to dig for mineral resources, especially copper. Ötzi, a mummy found in a glacier between Austria and Italy, is from that time. In the Bronze Age people built bigger settlements and fortresses, especially where there were mineral resources. Salt mining began near Hallstatt. At that time, Celts began to form the first states.
|
16 |
+
|
17 |
+
The Romans came 15 B.C. to Austria and made the Celtic Regnum Noricum to a province. Modern Austria was part of three provinces, Raetia, Noricum and Pannonia. The border in the north was the Danube.
|
18 |
+
|
19 |
+
Austria was the Austrian Empire from about 800 to 1867 and was ruled by The House of Habsburg for most of that period. Between 1867 and 1918 it was a part of Austria-Hungary. Then it became a republic. The First Republic was from 1918 to 1938. From 1938 to 1945 Austria was part of Nazi Germany. The Second Republic was started in 1945.
|
20 |
+
|
21 |
+
Austria is a largely mountainous country since it is partially in the Alps. The high mountainous Alps in the west of Austria flatten somewhat into low lands and plains in the east of the country where the Danube flows.
|
22 |
+
|
23 |
+
Many famous composers were Austrians or born in Austria. There are Wolfgang Amadeus Mozart, Joseph Haydn, Franz Schubert, Anton Bruckner, Johann Strauss, Sr., Johann Strauss, Jr. and Gustav Mahler. In modern times there were Arnold Schoenberg, Anton Webern and Alban Berg, who belonged to the Second Viennese School.
|
24 |
+
|
25 |
+
Austria has many artists, there are Gustav Klimt, Oskar Kokoschka, Egon Schiele or Friedensreich Hundertwasser, Inge Morath or Otto Wagner and scienc.
|
26 |
+
|
27 |
+
Famous Austrian dishes are Wiener Schnitzel, Apfelstrudel, Schweinsbraten, Kaiserschmarren, Knödel, Sachertorte and Tafelspitz. But you can also find a lot of local dishes like Kärntner Reindling (a kind of cake), Kärntner Nudeln (also called "Kärntner Kasnudeln", you may write it "...nudln" too), Tiroler Knödl (may be written "...knödel"; ), Tiroler Schlipfkrapfen (another kind of "Kärntner Nudeln"), Salzburger Nockerl (also may be written ..."Nockerln"), Steirisches Wurzelfleisch (..."Wurzlfleisch") or Sterz ("Steirischer Sterz").
|
28 |
+
|
29 |
+
Hallstatt
|
30 |
+
|
31 |
+
Salzburg
|
32 |
+
|
33 |
+
Schönbrunn palace
|
34 |
+
|
35 |
+
Semmering railway
|
36 |
+
|
37 |
+
Graz
|
38 |
+
|
39 |
+
Schloss Eggenberg
|
40 |
+
|
41 |
+
Wachau
|
42 |
+
|
43 |
+
Vienna
|
44 |
+
|
45 |
+
Neusiedler See
|
46 |
+
|
47 |
+
|
48 |
+
|
49 |
+
Burgenland ·
|
50 |
+
Carinthia ·
|
51 |
+
Lower Austria ·
|
52 |
+
Salzburg(erland) ·
|
53 |
+
Styria ·
|
54 |
+
Tyrol ·
|
55 |
+
Upper Austria ·
|
56 |
+
Vienna ·
|
57 |
+
Vorarlberg
|
ensimple/4429.html.txt
ADDED
@@ -0,0 +1,17 @@
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|
1 |
+
The European Parliament (formerly European Parliamentary Assembly or Common Assembly) is the parliament of the European Union (EU). EU citizens elect its members once every five years. Together with the Council of Ministers, it is the law-making branch of the institutions of the Union. It meets in two locations: Strasbourg and Brussels .
|
2 |
+
|
3 |
+
The Parliament is made up of its 751 members, called "MEPs". Each member speaks for an area of Europe, for example London, Denmark or Scotland. Anyone can be elected, they are elected by all the EU citizens, the people who are citizens of a country in the EU. People have been elected to Parliament since 1979, before that they came from the Parliaments of each country. Because MEPs come from lots of countries, they all speak different languages (24 in 2013) at Parliament. This means that the Parliament has to have lots of interpreters because thay are protected right to first language (multilingualism).
|
4 |
+
|
5 |
+
Unlike other international groups of politicians, MEPs do not sit in groups of countries, but they sit next to people who they share ideas with. The two largest groups are the "European People's Party-European Democrats" and the "Party of European Socialists". But these groups work together to agree, so they do not fight and try to make a law if the other does not like it.
|
6 |
+
|
7 |
+
The European Parliament's power depends on which area of the EU it is working in. The EU has three areas, the "Community", its representation to other countries, and things to do with police and courts. In the last two areas, it can not do much as the Council takes care of those issues, but in the Community (which is the largest area) it can change or stop any law. But the Council also has to agree, and sometimes they disagree and cannot make a law.
|
8 |
+
|
9 |
+
While Parliament can change a law, it cannot start a new one, it has to ask the European Commission to do that. The European Commission works on everyday work and the Parliament has to make sure it does its job properly, if it does not Parliament can make them all leave their jobs or not allow them to spend the EU budget.
|
10 |
+
|
11 |
+
When the Parliament wants to make a new law, they all vote at the same time. But before then, they make many small changes while talking with experts who know about the things that the new law will change. As in other parliaments, they do this in small meetings known as "Committees" of between 28 and 86 MEPs.
|
12 |
+
|
13 |
+
The Parliament has a President. The President is elected by the MEPs, two times every two and a half years, to organise the meetings and speak for the Parliament when meeting other leaders. Since 2019, the president has been Italian politician David Sassoli.
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The Parliament was made in 1952 and was then called the "Common Assembly". At this time, it did not have any power, it was only asked to comment on laws made by the "European Coal and Steel Community". In 1957, it was renamed the "European Parliamentary Assembly" and got to comment on the laws of the "European Economic Community" and the "European Atomic Energy Community". Over the following years, it was given a few powers over laws and money and it called itself the "European Parliament" in the 1960s. It wanted to be elected so it could do more, as if people voted for the people in Parliament, the Council and Commission would have to pay more attention to it (this is known as "Democratic Legitimacy", the idea that your voice is worth more if you have lots of people supporting from an election).
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In 1979 it held its first election, and it gained more powers and also members because more countries joined the Communities and they elected people as well. In 1993 it was given even more, and power over the Commission, when the European Union took the place of the Communities. It is now known as one of the most powerful Parliaments in the world.
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Joint Base Pearl Harbor–Hickam is a United States Navy and United States Air Force base in the U.S. state of Hawaii, on the south shore of Oahu. The navy base was started in 1899 and merged with the air force base in 2010. It is 8 miles (15 km) west of downtown Honolulu.
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The Japanese bombed Pearl Harbor, on December 7, 1941, which was a surprise. The attack led to America's fighting in World War II. The reason the Japanese attacked Pearl Harbor was to destroy the U.S. Navy (Seventh Fleet), and prevent the U.S from stopping the Japanese expansion in Asia.
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A parliament is a type of legislature.
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The most famous parliament is probably the Parliament of the United Kingdom, which is sometimes called the "Mother of all Parliaments".[1] The word "parliament" comes from the French word parler, which means a talk.
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The Althing, the national parliament of Iceland, was founded earlier (930 AD), so it is the oldest legislature in the world still existing. However, the Althing did not function as a legislature for four centuries, and its role as a primary legislature is modern.[2][3]
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Other parliaments have copied the UK and work similarly. They have three levels - a lower house which makes the law, an upper house which reviews the law (Decides if they like it or not, and suggest changes to it), and a head of state who is mostly for show and who starts and ends each year of parliament. The Prime Minister is almost always the person whose party has the most seats, but if the lower house does not think he is doing a good job they can call a vote of no confidence and ask him to leave his job as Prime Minister or have an election.
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Sometimes people use the word "parliament" to describe a legislature, even if it is not a real parliament. A "parliament" is a type of legislature which has a Prime Minister.
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A parliament is a lot like a congress but a congress cannot ask the head of the government to leave his job. Also, a congress runs for a number of years according to the country's constitution, but a parliament can be stopped as long as enough members agree. Elections are held after this happens.
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A parody is a special piece of art.
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Parodies make fun of another piece of art by mocking it.
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The parody is an imitation of the original, but exaggerating it, showing clichés which have been used, to make the original look ridiculous or to make a comment about an issue affecting society.
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For example, in a serious Western movie, the good guys always seem to shoot better and faster than the bad guys. In a Western parody, this might be exaggerated by showing a good guy firing a single shot, and a dozen of the bad guys falling from their horses as a result.
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Mel Brooks is a director who has made many movies which are parodies:
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The website Uncyclopedia is also a parody of Wikipedia.
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Parodies can be anything from songs to poems to books to movies.
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Newspaper columnists are well known for their strip cartoons which can very often parody public opinion on major issues affecting society, such as the recent credit crunch.
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The Moirai (The Fates) were the three goddesses of destiny in Greek mythology. They were Clotho, Lachesis and Atropos (Greek: Άτροπος).
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They controlled the life and destiny of everyone. Clotho spins the thread of life (begins a person's or creature's life), Lachesis measures it (looks at the how long it currently is), and Atropos cuts the thread. When the thread is cut the person dies. The Moirai are capable of destroying an immortal.
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The decisions of the Moriae about a person's life cannot be changed. Even Zeus is powerless to change their will.
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The parents of the Moirai are not surely known. Some said they were the daughters of Zeus and the Titaness Themis, or more likely of primordial beings like Nyx, Chaos or Ananke.
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Their Roman equivalent were the Parcae.
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Sources: D'Aulaire's book of Greek Myths
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The Parthenon is a temple in the middle of the Acropolis in Athens, Greece (Europe). It was a temple to honor the goddess Athena for nearly 900 years, and originally had a huge idol to her. The name Parthenon means the virgin's place in Greek.[1] It was built between 447 BC and 432 BC during the reign of Pericles.[1] It is considered one of ancient Greece's greatest architecture accomplishments.[1]
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The building was constructed using limestone foundations and 22,000 tons of marble. The building was designed by the architects Ictinus and Callicrates.[1] It has 46 Doric columns which support the roof, with 8 across the front and back, and 17 on each side.[1]
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In 1687 a gunpowder explosion damaged the building. Thomas Bruce, 7th Earl of Elgin took some of the sculptures, now called the Elgin Marbles, from the Parthenon in 1759. They have been on display in the British Museum since 1816.
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The Parthenon is a temple in the middle of the Acropolis in Athens, Greece (Europe). It was a temple to honor the goddess Athena for nearly 900 years, and originally had a huge idol to her. The name Parthenon means the virgin's place in Greek.[1] It was built between 447 BC and 432 BC during the reign of Pericles.[1] It is considered one of ancient Greece's greatest architecture accomplishments.[1]
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The building was constructed using limestone foundations and 22,000 tons of marble. The building was designed by the architects Ictinus and Callicrates.[1] It has 46 Doric columns which support the roof, with 8 across the front and back, and 17 on each side.[1]
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In 1687 a gunpowder explosion damaged the building. Thomas Bruce, 7th Earl of Elgin took some of the sculptures, now called the Elgin Marbles, from the Parthenon in 1759. They have been on display in the British Museum since 1816.
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Communism is a social political movement. Its aim is to set up a version of society based on the common ownership of the means of production and would not rely on social classes, or money.[1][2]
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According to communist writers and thinkers, the goal of communism is to create a stateless, classless society and to end capitalism. Communist thinkers believe this can happen if the people take away the power of the bourgeoisie (the ruling class, who own the means of production) and establish worker control of the means of production.
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Communism is not anti-individualist. However, it does say that decisions should be good for the population as a whole, instead of just being good for only some part of people in the country.
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Since 1992, there have been five nations remaining governed officially by communist ideologies. Four of these follow different forms of Marxism-Leninism - Vietnam, China, Cuba and Laos. The fifth, North Korea, now officially follows Juche communism, but also called itself Marxist-Leninist before 1991. Many other nations abandoned Marxism around that time because most people thought it had failed. In many cases it caused a corruption of ideals and led to authoritarianism, mass poverty and violent conflict.
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In 1848, Karl H. Marx and Friedrich Engels wrote The Communist Manifesto. It was a short book with the basic ideas of communism. Most socialists and communists today still use this book to help them understand politics and economics. Many non-communists read it too, even if they do not agree with everything in it.
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Karl Marx said that for society to change into a communist way of living, there would have to be a period of change. During this period, the workers would govern society. Marx was very interested in the experience of the Paris Commune of 1870, when the workers of Paris ran the city following the defeat of the French Army by the Prussian Army. He thought that this practical experience was more important than the theoretical views of the various radical groups.
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Many groups and individuals liked Marx's ideas. By the beginning of the twentieth century, there was a worldwide socialist movement called Social Democracy. It was influenced by his ideas. They said that the workers in different countries had more in common with each other than the workers had in common with the bosses within their own countries. In 1917, Vladimir Lenin and Leon Trotsky led a Russian group called the Bolsheviks in the October Revolution. They got rid of the temporary government of Russia, which was formed after the February Revolution against the Tsar (Emperor). They established the Union of Soviet Socialist Republics, also called the Soviet Union or USSR.
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The Soviet Union was the first country claiming to have established a workers' state. In reality, the country never became communist in the way that Marx and Engels described.
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During the 20th century, many people tried to establish workers' states. In the late 1940s, China also had a revolution and created a new government with Mao Zedong as its leader. In the 1950s, the island of Cuba had a revolution and created a new government with Fidel Castro as its leader. At one time, there were many such countries, and it seemed as though communism would win. But communist party governments didn't use democracy in their governments, a very important part of socialism and communism. Because of this, the governments became separated from the people, making communism difficult. This also led to disagreements and splits between countries.
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By the 1960s, one-third of the world had overthrown capitalism and were trying to build communism. Most of these countries followed the model of the Soviet Union. Some followed the model of China. The other two-thirds of the world still lived in capitalism, and this led to a worldwide divide between capitalist countries and communist countries. This was called the "Cold War" because it was not fought with weapons or armies, but competing ideas. However, this could have turned into a large war. During the 1980s, the United States and the Soviet Union were competing to have the biggest army and having the most dangerous weapons. This was called the "Arms Race". President Ronald Reagan called communist countries like the Soviet Union the "Evil Empire" because he did not agree with communist ideas.
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Since 1989, when the Berlin Wall was torn down, most countries that used to be communist have returned to capitalism. Communism now has much less influence around the world. In 1991, the Soviet Union broke up. However, around a fifth of the world's people still live in states controlled by a communist party. Most of these people are in China. The other countries include Cuba, Vietnam, Laos, and North Korea. There are also communist movements in Latin America and South Africa.
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Many people have written their own ideas about communism. Vladimir Lenin of Russia thought that there had to be a group of hard-working revolutionaries (called a vanguard) to lead a socialist revolution worldwide and create a communist society everywhere. Leon Trotsky, also from Russia, argued that socialism had to be international, and it was not important to make it happen first in Russia. He also did not like Joseph Stalin, who became the leader of the USSR after Lenin's death in 1924. Trotsky was made to leave the Soviet Union by Stalin in 1928, and then killed in 1940. This scared many people, and lots of communists argued about whether this was right and whose ideas should be followed.
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Mao Zedong of China thought that other classes would be important to the revolution in China and other developing countries because the working classes in these countries were small. Mao's ideas on communism are usually called Maoism or Mao Zedong Thought. After Stalin's death in 1953, Mao saw himself as the leader of worldwide communism until he died in 1976. Today the Chinese government is still ruled by the Communist Party, but they actually have what is called a mixed economy. They have borrowed many things from capitalism. The government in China today does not follow Maoism. However, few revolutionaries in other countries like India and Nepal still like his ideas and are trying to use them against in their own countries.
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The word "communism" is not a very specific description of left-wing political organizations. Many political parties calling themselves "communist" may actually be more reformist (supportive of reforms and slow change instead of revolution) than some parties calling themselves "socialists". Many communist parties in Latin America have lost many members because these parties do different things than what they promised once they get into power. In Chile, between 1970-1973, under the left-wing Coalition (groups of parties) of Popular Unity, led by Salvador Allende, the Communist Party of Chile was to the right of the Socialist Party of Chile. This means it was more reformist than the socialist party.
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Many communist parties will use a reformist strategy. They say working-class people are not organized enough to make big changes to their societies. They put forward candidates that will be elected democratically. Once communists become elected to parliament or the Senate, then they will fight for the working class. This will allow working-class people to change their capitalist society into a socialist one.
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The color red is a symbol of communism around the world. A red five-pointed star sometimes also stands for communism. The hammer and sickle is a well-known symbol of communism. It was on the flags of many communist countries (see top of article). Some communists also like to use pictures of famous communists from history, such as Marx, Lenin, and Mao Zedong, as symbols of the whole philosophy of communism.
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A song called The Internationale was the international song of communism. It has the same music everywhere, but the words to the song are translated into many languages. The Russian version was the national anthem of the Soviet Union from 1922 until 1944.
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The sickle in the Soviet Union's flag shows the struggle of the worker. The hammer in the flag represents the struggle for the workers. Both of them crossing shows their support for each other.
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There is also a special kind of art and architecture found in many communist and former communist countries. Paintings done in the style of socialist realism are often done for propaganda to show a perfect version of a country's people and political leader. Art done in the socialist realism style, such as plays, movies, novels, and paintings show hard-working, happy, and well-fed factory workers and farmers. Movies, plays and novels in this style often tell stories about workers or soldiers who sacrifice themselves for the good of their country. Paintings often showed heroic portraits of the leader, or landscapes showing huge fields of wheat. Stalinist architecture was supposed to represent the power and glory of the state and its political leader. Some non-communists also enjoy this kind of art.
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The United States Democratic Party is one of the two biggest political parties in the United States of America. The other is the Republican Party. The U.S. also has several smaller political parties known as third parties. Supporters of this party are known as Democrats.
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Every four years the party holds a National Convention where they agree on their candidate for President. The Democratic National Committee coordinates most of the activities of the Democratic Party in all 50 United States. There have been 14 Democratic presidents, the most recent being Barack Obama, who was President from 2009 to 2017. The Democratic Party represents a broad spectrum of leftist ideologies, including classic liberalism, social democracy, progressivism, and socialism.
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Democrats, also sometimes called 'the left', 'liberals' or 'progressives' make up one of the two main political parties in the United States. A mostly Democratic state is sometimes called a 'blue state'. This comes from the party’s main color, which is blue, referring to a state supporting ‘blue’ candidates.
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Democrats believe in a strong government with social assistance programs to help members of society. They prefer diplomatic solutions to conflicts, and take a generally protectionist view on trade, believing that trade must be regulated to protect American workers.
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Socially, most Democrats believe in social liberalism, taking pro-immigration, pro-gay marriage, and pro-choice views.[1][2][3][4]
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Generally Democrats support::
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Most support for Democrats comes from states in the Northeast, Upper Midwest, and the Pacific Coast, as well as from the state of Hawaii.
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The symbol of the Democratic Party is the Donkey.[5] Since the election of 2000, the color blue has become a symbol for Democrats.[6]
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Historically, Thomas Jefferson, whom the party claims as it founder, has been often seen as symbols of the Democratic Party, particularly emphasized in the annual celebrations of Jefferson Day Dinners held since the days of Andrew Jackson. As such, the Democratic Party is also often referred to as the “Party of Jefferson.”[7]
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The United States Democratic Party is one of the two biggest political parties in the United States of America. The other is the Republican Party. The U.S. also has several smaller political parties known as third parties. Supporters of this party are known as Democrats.
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Every four years the party holds a National Convention where they agree on their candidate for President. The Democratic National Committee coordinates most of the activities of the Democratic Party in all 50 United States. There have been 14 Democratic presidents, the most recent being Barack Obama, who was President from 2009 to 2017. The Democratic Party represents a broad spectrum of leftist ideologies, including classic liberalism, social democracy, progressivism, and socialism.
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|
5 |
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Democrats, also sometimes called 'the left', 'liberals' or 'progressives' make up one of the two main political parties in the United States. A mostly Democratic state is sometimes called a 'blue state'. This comes from the party’s main color, which is blue, referring to a state supporting ‘blue’ candidates.
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|
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Democrats believe in a strong government with social assistance programs to help members of society. They prefer diplomatic solutions to conflicts, and take a generally protectionist view on trade, believing that trade must be regulated to protect American workers.
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Socially, most Democrats believe in social liberalism, taking pro-immigration, pro-gay marriage, and pro-choice views.[1][2][3][4]
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Generally Democrats support::
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Most support for Democrats comes from states in the Northeast, Upper Midwest, and the Pacific Coast, as well as from the state of Hawaii.
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The symbol of the Democratic Party is the Donkey.[5] Since the election of 2000, the color blue has become a symbol for Democrats.[6]
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Historically, Thomas Jefferson, whom the party claims as it founder, has been often seen as symbols of the Democratic Party, particularly emphasized in the annual celebrations of Jefferson Day Dinners held since the days of Andrew Jackson. As such, the Democratic Party is also often referred to as the “Party of Jefferson.”[7]
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Skiing is either sportive or recreational activity using skis for sliding over snow. Skis are used with special boots connected to them with a binding. There are two different types of skiing: downhill skiing and cross country skiing.
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Downhill skiing is a sport. Skiers ski down a trail (also called a "run") on the side of a mountain or hill. Each trail is marked with a sign that shows how difficult that particular run will be. Three different colors are used to rate the difficulty of the trail. They are: green, blue, and black. Green trails are easiest, blue trails are more difficult, and black trails are rated most difficult. The colors which represent a trail will also be seen in a shape.
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The most common ratings for trails are:
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Trail ratings are often relative to the rest of the terrain at the ski resort- for example, the difficulty of a black diamond trail at a small ski area may be a rated as a blue square at a bigger resort with harder trails.
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Cross country skiing is a sport of endurance. Skiers ski anywhere where there is snow. This is usually through a scenic forest or town.
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Alpine skiing is a contest of speed. Racers go through the course with red and blue gates and go down to the goal as fast as they can. There are four disciplines in alpine skiing: downhill, super giant slalom, giant slalom and slalom.
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A ski gate is two sticks on a skiing race course that a skier needs to pass between. Ski gates are used in alpine skiing in downhill, Slalom, Giant Slalom and Super-G races. Downhill races have not many ski gates so skiers can be safe when they are going very fast.[1] If a skier does not go between a ski gate, the judges say are removed from the race.[2] First in the 1980s and now a lot of the time, ski gates have hinges near the snow.[1] Some ski gates have flags at the top of the stick.[2]
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The National Socialist German Workers' Party (Nationalsozialistische Deutsche Arbeiterpartei, abbreviated NSDAP), also known as the Nazi Party, was a German political party. It was started in 1920 from the Deutsche Arbeiterpartei (German Workers' party) (DAP),[4] which would later be renamed the NSDAP. On the day it was created, the party published its 25-point manifesto (book of ideas). The items in this list of ideas included getting rid of the Treaty of Versailles; gaining more land for the German people; taking away any income people had not earned by working; taking away Jewish people's citizenship; changing the education system; and setting up a strong central government.[4] It is most known for being Hitler's political party.
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Until 1923, the NSDAP was most popular in Bavaria.
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In 1919, Adolf Hitler joined the German Workers Party. In 1920 the party changed its name, and Hitler took control in 1921.
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In 1923, the Nazi Party tried to start a coup d'état in Munich to take over Germany, but failed. This battle was called the Beer Hall Putsch. Hitler was sentenced to five years in prison for treason. However, he was let out of prison after nine months. Other people who participated in the Beer Hall Putsch were given the death penalty or 5-6 years imprisoned. The government also made the NSDAP illegal in Germany.
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While he was in prison, Adolf Hitler wrote most of Mein Kampf ('My Struggle'). In this book, he wrote down his political ideas and his future plans for Germany.
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In 1924, Hitler was let out of prison early. He restarted the NSDAP. He wanted to gain power legally, through elections. At this time, the NSDAP was only one of a few extreme right-wing, nationalist political parties in Germany. There were many other parties with similar ideas then. Important people like Fritz Thyssen and Emil Kirdorf, both leaders of big industries, supported the Nazi Party.
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13 |
+
The next elections to the Reichstag were held in 1928. In these elections, the Nazi Party won 2.6% of the vote. The party decided to decrease its anti-Semitic slogans in order to do better in the next election. Instead, the NSDAP focused more on foreign policy and on terrorising the German people. In local elections in 1929 and 1930, the NSDAP won about 10% of the vote.
|
14 |
+
|
15 |
+
In 1930, President Paul von Hindenburg dissolved the Reichstag. The Nazi Party saw this as an opportunity. In the elections on 14 September, 1930, the NSDAP won 18.3% of the vote, and had become the second biggest party in Germany.
|
16 |
+
|
17 |
+
At this time, most German people wanted to get rid of the Weimar Republic (the Weimarer Republik). Weimar was the German city where the German constitution was written after the First World War. People also wanted a stronger Germany, with more soldiers. The Treaty of Versailles had made it illegal for Germany to have some types of weapons and ships.
|
18 |
+
|
19 |
+
On January 30, 1933, Franz von Papen offered to make Adolf Hitler the Chancellor of Germany in a nationalist cabinet. He did this in secret. This was a Machtübergabe, or 'transfer of power'. However, later on, the NSDAP started to call it the Machtergreifung ('seizing power'). It was better for Nazi propaganda to say that they took power from the Weimar Republic, instead of being made the Republic's legal government.
|
20 |
+
|
21 |
+
The last free election in Weimar Germany was in March 1933. The Nazi Party won 44% of the vote. This was not a majority. After the Reichstag fire, they managed to get the two-thirds majority they needed to pass the Ermächtigungsgesetz (Enabling Act). With this new law, they dissolved parliament; gave Hitler the power to do anything he wanted; and made all political parties (except the Nazi party ) illegal.
|
22 |
+
|
23 |
+
After this, the Nazi party became very important. People had to be party members to get some jobs, or to get promoted. The Nazi party was busy until Germany surrendered to the Allies on 8 May 1945.
|
24 |
+
|
25 |
+
The NSDAP dissolved itself on 8 May 1945. After that, the NSDAP no longer existed.
|
26 |
+
|
27 |
+
They made some reforms which still exist today. For example:
|
28 |
+
|
29 |
+
But the Nazis did so many bad things that it is now illegal in Germany to display the swastika symbol (shown on the flag above) or use slogans such as Sieg Heil. In November 2010, a British member of the European Parliament, Godfrey Bloom, was forced to leave Parliament. This happened after he shouted the Nazi slogan 'Ein Volk, ein Reich, ein Führer' at a German member of Parliament.[5]
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ensimple/444.html.txt
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.
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Joint Base Pearl Harbor–Hickam is a United States Navy and United States Air Force base in the U.S. state of Hawaii, on the south shore of Oahu. The navy base was started in 1899 and merged with the air force base in 2010. It is 8 miles (15 km) west of downtown Honolulu.
|
4 |
+
|
5 |
+
The Japanese bombed Pearl Harbor, on December 7, 1941, which was a surprise. The attack led to America's fighting in World War II. The reason the Japanese attacked Pearl Harbor was to destroy the U.S. Navy (Seventh Fleet), and prevent the U.S from stopping the Japanese expansion in Asia.
|
ensimple/4440.html.txt
ADDED
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The National Socialist German Workers' Party (Nationalsozialistische Deutsche Arbeiterpartei, abbreviated NSDAP), also known as the Nazi Party, was a German political party. It was started in 1920 from the Deutsche Arbeiterpartei (German Workers' party) (DAP),[4] which would later be renamed the NSDAP. On the day it was created, the party published its 25-point manifesto (book of ideas). The items in this list of ideas included getting rid of the Treaty of Versailles; gaining more land for the German people; taking away any income people had not earned by working; taking away Jewish people's citizenship; changing the education system; and setting up a strong central government.[4] It is most known for being Hitler's political party.
|
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+
|
3 |
+
Until 1923, the NSDAP was most popular in Bavaria.
|
4 |
+
|
5 |
+
In 1919, Adolf Hitler joined the German Workers Party. In 1920 the party changed its name, and Hitler took control in 1921.
|
6 |
+
|
7 |
+
In 1923, the Nazi Party tried to start a coup d'état in Munich to take over Germany, but failed. This battle was called the Beer Hall Putsch. Hitler was sentenced to five years in prison for treason. However, he was let out of prison after nine months. Other people who participated in the Beer Hall Putsch were given the death penalty or 5-6 years imprisoned. The government also made the NSDAP illegal in Germany.
|
8 |
+
|
9 |
+
While he was in prison, Adolf Hitler wrote most of Mein Kampf ('My Struggle'). In this book, he wrote down his political ideas and his future plans for Germany.
|
10 |
+
|
11 |
+
In 1924, Hitler was let out of prison early. He restarted the NSDAP. He wanted to gain power legally, through elections. At this time, the NSDAP was only one of a few extreme right-wing, nationalist political parties in Germany. There were many other parties with similar ideas then. Important people like Fritz Thyssen and Emil Kirdorf, both leaders of big industries, supported the Nazi Party.
|
12 |
+
|
13 |
+
The next elections to the Reichstag were held in 1928. In these elections, the Nazi Party won 2.6% of the vote. The party decided to decrease its anti-Semitic slogans in order to do better in the next election. Instead, the NSDAP focused more on foreign policy and on terrorising the German people. In local elections in 1929 and 1930, the NSDAP won about 10% of the vote.
|
14 |
+
|
15 |
+
In 1930, President Paul von Hindenburg dissolved the Reichstag. The Nazi Party saw this as an opportunity. In the elections on 14 September, 1930, the NSDAP won 18.3% of the vote, and had become the second biggest party in Germany.
|
16 |
+
|
17 |
+
At this time, most German people wanted to get rid of the Weimar Republic (the Weimarer Republik). Weimar was the German city where the German constitution was written after the First World War. People also wanted a stronger Germany, with more soldiers. The Treaty of Versailles had made it illegal for Germany to have some types of weapons and ships.
|
18 |
+
|
19 |
+
On January 30, 1933, Franz von Papen offered to make Adolf Hitler the Chancellor of Germany in a nationalist cabinet. He did this in secret. This was a Machtübergabe, or 'transfer of power'. However, later on, the NSDAP started to call it the Machtergreifung ('seizing power'). It was better for Nazi propaganda to say that they took power from the Weimar Republic, instead of being made the Republic's legal government.
|
20 |
+
|
21 |
+
The last free election in Weimar Germany was in March 1933. The Nazi Party won 44% of the vote. This was not a majority. After the Reichstag fire, they managed to get the two-thirds majority they needed to pass the Ermächtigungsgesetz (Enabling Act). With this new law, they dissolved parliament; gave Hitler the power to do anything he wanted; and made all political parties (except the Nazi party ) illegal.
|
22 |
+
|
23 |
+
After this, the Nazi party became very important. People had to be party members to get some jobs, or to get promoted. The Nazi party was busy until Germany surrendered to the Allies on 8 May 1945.
|
24 |
+
|
25 |
+
The NSDAP dissolved itself on 8 May 1945. After that, the NSDAP no longer existed.
|
26 |
+
|
27 |
+
They made some reforms which still exist today. For example:
|
28 |
+
|
29 |
+
But the Nazis did so many bad things that it is now illegal in Germany to display the swastika symbol (shown on the flag above) or use slogans such as Sieg Heil. In November 2010, a British member of the European Parliament, Godfrey Bloom, was forced to leave Parliament. This happened after he shouted the Nazi slogan 'Ein Volk, ein Reich, ein Führer' at a German member of Parliament.[5]
|
ensimple/4441.html.txt
ADDED
@@ -0,0 +1,33 @@
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+
The United States Republican Party is one of the two biggest political parties in the United States of America. The other big party is the Democratic Party. The United States has many other small parties known as third parties.
|
2 |
+
|
3 |
+
The Republicans are often called "the right" or "conservatives". The Republican Party itself is also known as the GOP, which stands for "Grand Old Party". The symbol of the Republican party is the elephant. This symbol was first used in 1874 in a political cartoon (pictured), by Thomas Nast.[24]
|
4 |
+
|
5 |
+
The Republican National Committee, or "RNC", is the main organization for the Republican Party in all 50 states. Ronna Romney McDaniel is the current RNC Chairperson. The Republican Party is not the same political party as the Democratic-Republican Party. The Republican Party is based in Washington, D.C. A state where most voters vote for Republican politicians is sometimes called a "red state".
|
6 |
+
|
7 |
+
The Republican Party was founded in Ripon, Wisconsin in 1854,[25] with the help of Francis Preston Blair. The Republican Party was formed by people who did not like the Kansas-Nebraska Act of 1854, which would let each territory allow slavery. The Republican Party was founded by past members of the Free Soil Party and the Whig Party who wanted to stop the expansion of slavery. The founders of the Republican Party wanted to stop the expansion of slavery because they believed it was against the ideals of the Constitution and Declaration of Independence. Some founders of the Republican Party wanted to abolish slavery everywhere in the United States. The Republican Party's first candidate for President of the United States was John C. Frémont in 1856.
|
8 |
+
|
9 |
+
As the Whig Party collapsed, the Republicans became one of two major political parties in the United States (the Democratic Party was the other major political party). In 1860 Abraham Lincoln, the first Republican president, was elected. For the rest of the second half of the 19th century, the country had mostly Republican presidents. From 1860 until 1912 the Republicans lost the presidential election just twice (non-consecutively to Democrat Grover Cleveland in 1884 and 1892).
|
10 |
+
|
11 |
+
Republicans believed in protectionism (the belief that raising taxes on trades with other countries would protect the economy) during the second half of the 19th century and during the early half of the 20th century.
|
12 |
+
|
13 |
+
After World War I, the 1920's had three Republican presidents: Warren Harding, Calvin Coolidge, and Herbert Hoover. It was called the Republican Decade for that reason. Harding and Coolidge made a plan for the economy which lowered taxes, made the government spend less money, and got rid of rules and laws that affected the economy.
|
14 |
+
|
15 |
+
Near the end of the 1920s, the stock market crashed and the Great Depression began. During the Great Depression, the Republican Party became less popular. No Republicans were president between 1933 and 1953, when Dwight Eisenhower began his first of two consecutive terms as president. (He was re-elected in 1956.) Richard Nixon lost the election in 1960, but was elected president on the Republican ticket in 1968 and again in 1972.
|
16 |
+
|
17 |
+
Ronald Reagan, an actor and conservative political activist, was elected as president in 1980. Ronald Reagan became the first Republican president who was a former member of the Democratic Party. Ronald Reagan served two terms and his successor George H.W. Bush served one term. Reagan wanted fewer laws to affect the economy, and wanted the military to be stronger.
|
18 |
+
|
19 |
+
Bill Clinton (a Democrat) was elected president in 1992, and re-elected in 1996. However, a new Congress was elected in 1994, and Republicans gained control of both the House of Representatives and the Senate. They voted against many of Clinton's ideas and proposed ideas of their own such as a line item veto and a balanced budget amendment.
|
20 |
+
|
21 |
+
After elections held in 2006, Republicans lost control of Congress. Democrat Barack Obama was elected in 2008 and re-elected in 2012. Republican John Boehner was elected the Speaker of the House of Representatives in 2010 and re-elected in 2012. In 2014, Republicans gained control of the senate and the house. Boehner resigned in early October 2015 and was eventually succeeded by Paul Ryan of Wisconsin on October 29, 2015. On November 9, 2016, Donald Trump was elected president, defeating Democrat Hillary Clinton in the Electoral College. Trump was the first Republican to take office as president since January 20, 2001, when George W. Bush was inaugurated. The Republicans lost the House and won the Senate in 2018. Paul Ryan retired in 2019 and was succeeded by Nancy Pelosi, who is a member of the Democratic Party.
|
22 |
+
|
23 |
+
Currently, the Republican Party is identified by classical liberalism, conservatism, and right-wing policies.
|
24 |
+
|
25 |
+
Not all Republicans believe in the same things, but generally these are the things many Republicans support:
|
26 |
+
|
27 |
+
Most supporters for the Republican Party come from states in the Southern, Deep South, parts of the Midwest, and the rural Northeast areas of the USA, as well as from Montana; though they come from all over the United States, including the northern portion of California.
|
28 |
+
|
29 |
+
Republican presidents during the 1800s
|
30 |
+
|
31 |
+
Republican presidents during the 1900s
|
32 |
+
|
33 |
+
Republican Presidents during the 2000s
|
ensimple/4442.html.txt
ADDED
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|
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|
|
|
|
|
|
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|
1 |
+
The United States Republican Party is one of the two biggest political parties in the United States of America. The other big party is the Democratic Party. The United States has many other small parties known as third parties.
|
2 |
+
|
3 |
+
The Republicans are often called "the right" or "conservatives". The Republican Party itself is also known as the GOP, which stands for "Grand Old Party". The symbol of the Republican party is the elephant. This symbol was first used in 1874 in a political cartoon (pictured), by Thomas Nast.[24]
|
4 |
+
|
5 |
+
The Republican National Committee, or "RNC", is the main organization for the Republican Party in all 50 states. Ronna Romney McDaniel is the current RNC Chairperson. The Republican Party is not the same political party as the Democratic-Republican Party. The Republican Party is based in Washington, D.C. A state where most voters vote for Republican politicians is sometimes called a "red state".
|
6 |
+
|
7 |
+
The Republican Party was founded in Ripon, Wisconsin in 1854,[25] with the help of Francis Preston Blair. The Republican Party was formed by people who did not like the Kansas-Nebraska Act of 1854, which would let each territory allow slavery. The Republican Party was founded by past members of the Free Soil Party and the Whig Party who wanted to stop the expansion of slavery. The founders of the Republican Party wanted to stop the expansion of slavery because they believed it was against the ideals of the Constitution and Declaration of Independence. Some founders of the Republican Party wanted to abolish slavery everywhere in the United States. The Republican Party's first candidate for President of the United States was John C. Frémont in 1856.
|
8 |
+
|
9 |
+
As the Whig Party collapsed, the Republicans became one of two major political parties in the United States (the Democratic Party was the other major political party). In 1860 Abraham Lincoln, the first Republican president, was elected. For the rest of the second half of the 19th century, the country had mostly Republican presidents. From 1860 until 1912 the Republicans lost the presidential election just twice (non-consecutively to Democrat Grover Cleveland in 1884 and 1892).
|
10 |
+
|
11 |
+
Republicans believed in protectionism (the belief that raising taxes on trades with other countries would protect the economy) during the second half of the 19th century and during the early half of the 20th century.
|
12 |
+
|
13 |
+
After World War I, the 1920's had three Republican presidents: Warren Harding, Calvin Coolidge, and Herbert Hoover. It was called the Republican Decade for that reason. Harding and Coolidge made a plan for the economy which lowered taxes, made the government spend less money, and got rid of rules and laws that affected the economy.
|
14 |
+
|
15 |
+
Near the end of the 1920s, the stock market crashed and the Great Depression began. During the Great Depression, the Republican Party became less popular. No Republicans were president between 1933 and 1953, when Dwight Eisenhower began his first of two consecutive terms as president. (He was re-elected in 1956.) Richard Nixon lost the election in 1960, but was elected president on the Republican ticket in 1968 and again in 1972.
|
16 |
+
|
17 |
+
Ronald Reagan, an actor and conservative political activist, was elected as president in 1980. Ronald Reagan became the first Republican president who was a former member of the Democratic Party. Ronald Reagan served two terms and his successor George H.W. Bush served one term. Reagan wanted fewer laws to affect the economy, and wanted the military to be stronger.
|
18 |
+
|
19 |
+
Bill Clinton (a Democrat) was elected president in 1992, and re-elected in 1996. However, a new Congress was elected in 1994, and Republicans gained control of both the House of Representatives and the Senate. They voted against many of Clinton's ideas and proposed ideas of their own such as a line item veto and a balanced budget amendment.
|
20 |
+
|
21 |
+
After elections held in 2006, Republicans lost control of Congress. Democrat Barack Obama was elected in 2008 and re-elected in 2012. Republican John Boehner was elected the Speaker of the House of Representatives in 2010 and re-elected in 2012. In 2014, Republicans gained control of the senate and the house. Boehner resigned in early October 2015 and was eventually succeeded by Paul Ryan of Wisconsin on October 29, 2015. On November 9, 2016, Donald Trump was elected president, defeating Democrat Hillary Clinton in the Electoral College. Trump was the first Republican to take office as president since January 20, 2001, when George W. Bush was inaugurated. The Republicans lost the House and won the Senate in 2018. Paul Ryan retired in 2019 and was succeeded by Nancy Pelosi, who is a member of the Democratic Party.
|
22 |
+
|
23 |
+
Currently, the Republican Party is identified by classical liberalism, conservatism, and right-wing policies.
|
24 |
+
|
25 |
+
Not all Republicans believe in the same things, but generally these are the things many Republicans support:
|
26 |
+
|
27 |
+
Most supporters for the Republican Party come from states in the Southern, Deep South, parts of the Midwest, and the rural Northeast areas of the USA, as well as from Montana; though they come from all over the United States, including the northern portion of California.
|
28 |
+
|
29 |
+
Republican presidents during the 1800s
|
30 |
+
|
31 |
+
Republican presidents during the 1900s
|
32 |
+
|
33 |
+
Republican Presidents during the 2000s
|
ensimple/4443.html.txt
ADDED
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1 |
+
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2 |
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|
3 |
+
A watermelon is a type of edible fruit, they are 92% water. About 6% of a watermelon is sugar, which makes it very sweet. There are many different types of watermelon. Some have a green rind on the outside and a red-pink flesh on the inside, with brown seeds. Some can have yellow flesh, and some can be seedless. The green rind on the outside is not usually eaten, though it can be used as a vegetable. It can also be stewed or pickled. Most watermelons are oblong or spherical. In Japan, watermelons are grown in different shapes. Many people like to eat watermelon in the summer because they may consider it "cool" and "refreshing". They are the second-largest fruit in the world.
|
4 |
+
|
5 |
+
Watermelons are fruits that come from a vine-like plant.
|
6 |
+
|
7 |
+
Watermelons are a great source of vitamin A, vitamin C, vitamin B6 and vitamin B1. They also contain potassium, magnesium, carotenoid antioxidant, and lycopene. Watermelon is very healthy.[2]
|
8 |
+
|
9 |
+
Watermelon, being rich in vitamin C, so it strengthens the body’s immune system . The fruit also contains vitamin B6 that helps the immune system produce antibodies the vitamin A also helps in the formation of red blood cells.[1]
|
10 |
+
10 Health Benefits of Eating Watermelon.
|
11 |
+
|
ensimple/4444.html.txt
ADDED
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+
A car is a road automobile used to carry passengers (people). Cars usually have four wheels (round things which turn in order to lead to movement), and an engine or motor to make them move.
|
2 |
+
|
3 |
+
Cars are also called automobiles, which comes from the Greek prefix "αυτό" (auto) and the French word "mobile". This name means "self-moving", as cars run on their own power and do not need horses or other power from outside to move.
|
4 |
+
|
5 |
+
Like other automobiles, cars are made in different shapes and sizes, for people with different needs. Here are some common types of cars.
|
6 |
+
|
7 |
+
To make a car move, it must have energy to turn the wheels. This energy might be chemical energy in gasoline or electrical energy in a battery. How quickly the engine or motor can send the energy to the wheels, and how much energy is sent, is called the power of the motor. The power of a car is usually measured in kilowatts or horsepower.
|
8 |
+
|
9 |
+
As of 2019, most cars burn a fuel to make an internal combustion engine (sometimes called a "motor") run. The power from the engine then goes to the wheels through a transmission, which has a set of gears that can make the car go faster or slower. The most common fuel is petrol, which is called "gasoline" or "gas" in American English.
|
10 |
+
|
11 |
+
Gasoline is called a fossil fuel because it comes from tiny fossils that were made millions of years ago. Over millions of years, they turned into oil, which was then drilled up from deep inside the Earth, and then turned into fuel by chemical changes. Old gasoline-powered cars are noisy and their exhaust makes city air dirty, which can make people ill. But cars made after the mid-2010s are cleaner.[1]
|
12 |
+
|
13 |
+
Burning gasoline, like any kind of fossil fuel, makes carbon dioxide, which makes global warming. Since 2017, less gasoline powered cars are being made,[2][3] and some places will not allow gasoline-powered cars in future, like Amsterdam in 2030.[4]
|
14 |
+
|
15 |
+
The cleanest cars are electric vehicles. They are usually plugged into a power outlet or a charging station and store electricity in a battery at the bottom of the car. The electricity then drives an electric motor, which turns the wheels. Some electric cars have 2 motors: one at the front, and one at the back. A few have 4 motors (one for each wheel).[5]
|
16 |
+
|
17 |
+
Some cars burn diesel fuel, which is used in big trucks and buses, and a few use wood gas. In some countries, such as Brazil and Sweden, a mixture of ethanol and gasoline, called "gasohol" in Brazil and "E85" in Sweden, is used as automobile fuel. Other fuels include propane, natural gas, compressed air, and ethanol (which comes from plants). There are cars designed to run on more than one type of fuel — these are called "flex-fuel" and are rare.
|
18 |
+
|
19 |
+
A few cars generate electricity from hydrogen fuel cells (like the Honda Clarity). As of 2019, most of the hydrogen that people use comes from burning fossil fuels, but scientists and engineers are trying to make hydrogen from renewable energy a lot cheaper and easier to use.
|
20 |
+
|
21 |
+
Some cars even use solar cells for their electricity, but they are not very practical. There is a competition every year where people try to design a car that can last the longest and go the farthest on solar energy alone.
|
22 |
+
|
23 |
+
There is also a type of car that uses both an engine and an electric motor. This is called a hybrid electric vehicle; an example is the Toyota Prius.
|
24 |
+
|
25 |
+
All cars have brakes which work by friction to stop the car quickly in an emergency or stop it rolling when parked. Electric cars also have regenerative brakes, which slow the car by turning the energy in its movement back into electricity, like an electric motor working the opposite way. So regenerative means the electricity is generated again.
|
26 |
+
|
27 |
+
The earliest recorded automobiles were actually steam engines attached to wagons in the late 18th century. The steam engines were heavy, making these wagons slow and hard to control. Better and faster steam cars became common late in the 19th century.
|
28 |
+
|
29 |
+
Some cars in the early 20th century were powered by electricity. They were slow and heavy and went out of use until the idea came back later in the century.
|
30 |
+
|
31 |
+
The internal combustion engine changed the way many automobiles were powered. The engine used either gasoline, diesel, or kerosene to work. When the fuel is exploded in a cylinder it pushes the piston down and turns the wheels.
|
32 |
+
|
33 |
+
Although many people tried to make a good car that would work and sell well, people say that Karl Benz invented the modern automobile. He used a four-stroke type of internal combustion engine to power his Benz Patent-Motorwagen in 1886. He began to make many cars in a factory and sell them in Germany in 1888.
|
34 |
+
|
35 |
+
In North America, the first modern car was made by brothers Charles and J. Frank Duryea in Springfield, Massachusetts. The Duryea brothers' car also won the first-ever car race in 1895, competing against cars made by Benz. The race was in Chicago, Illinois, and 53 miles long. The Duryeas then began making the first automobiles for everyday use in 1896. That year, they made 13 cars by hand in Springfield, Massachusetts.
|
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+
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Benz may have invented the first modern car, and the Duryeas the first car to be sold, but Henry Ford sold the most cars to the most people. In 1910 he began making and selling his Model T, which was a huge success. Many people could afford this car, not just the rich, because Ford used mass production. This meant he made many Model Ts in a short time in a factory. People say that the Model T is the car that "put America on wheels". The Model T was the most popular car of the time because it was cheap but it was still a good quality car that ordinary people could own.
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Since then, many different kinds of cars have been designed and built, from minivans to sports cars. In the 1950s, the United States made and used more cars than all the rest of the world. Fifty years later, China became the largest maker and user of cars.
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Cars are faster than walking or riding a bike if you are going a long way. They can carry more than one person and a large amount of luggage. Depending on local public transport quality, they can also be faster and far more convenient than using buses, bicycles or trains, and can often go where public transport cannot. 4-wheel drive "off road" vehicles are particularly good at reaching places difficult for other wheeled transport due to bad roads or harsh terrain. However, they cost more and burn more fuel, and there are many places even they cannot go.
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Most cars enclose people and cargo in a closed compartment with a roof, doors and windows, thus giving protection from weather. Modern cars give further protection in case of collisions, as they have added safety features such as seat belts, airbags, crumple zones and side-impact protection that would be expensive or impossible on two-wheeled or light 3-wheeled vehicles, or most buses.
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With regular check ups and service, cars can last a very long time. In some countries like Australia, you have to get your car checked by authorised mechanics regularly by law to confirm that your car is safe to drive. You can go to a car mechanic to get your car checked or have a mobile mechanic come to you to repair your car.
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Buying and running a car needs a lot of money, especially for newer good-quality cars. There are things to pay for — the car itself, fuel, parts (for example, tyres), maintenance, repairs, insurance to cover the cost of crashes or theft, parking charges, and toll roads and any taxes or licensing fees charged by the government.
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When cars crash, they can become damaged and hurt people, and the life of a person is more important than keeping a car from damage. When too many cars try to go the same way, traffic congestion slows them all. Cars can cause air pollution if too many are used in a small area like a city, and the combined pollution of the world's cars is partly to blame for climate change. Many places where people live close together have public transportation such as buses, trains, trams and subways. These can help people go more quickly and cheaply than by car when traffic jams are a problem. Some of these problems can be made smaller, for example by carpooling, which is putting many people together in one car.
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Traffic congestion and accidents can be dangerous to other road users, for example people riding bicycles or walking, especially in an old town built when cars were few. Some 20th century towns are designed for cars as the main transport. This can cause other problems, such as even more pollution and traffic, as few, if any, people walk. Communities are divided and separated by big roads. Pedestrians are in danger where there are too few foot bridges, small road bridges or other special crossings.
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A disease or medical condition is an unhealthy state where something bad happens to the body or mind.[1] Diseases can cause pain, parts of the body to stop working the right way, or death. The word disease is sometimes used to include:
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A disease can be caused by many things. Sometimes germs enter our body through food, water or air. A person can be infected by infectious agents like bacteria, viruses or fungus. Disease can also be caused by eating bad or old foods. There are small germs in old foods that can cause diseases. Sometimes the germs produce chemicals or toxins which causes the disease.
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One of the most common causes of disease is poor sanitation and lack of clean water. Some deadly diseases like malaria in tropical parts of the world are spread by a mosquito. Animals that spread disease are called vectors. There are many vectors, including snails, ticks, and fleas.
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Some people are born with 'genetic diseases'. These are diseases because of an error or mutation in a person's DNA. An example of a mutation is cancer. Living or working in an unhealthy environment can also be a cause for diseases. Diseases are more common in older people.
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Some diseases can be helped with medicine. Infections can often be cured by antibiotics, though resistance to antibiotics is a problem. Some disease may be helped by surgery. Not every disease can be helped with medicine or surgery, though. Some diseases must be treated during the whole life; they are chronic (long-lasting) diseases. An example of a chronic disease is diabetes mellitus. Diabetes can be treated (made better) but it can not yet be cured (made to totally go away). People who usually treat diseases are called doctors or physicians.
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Some diseases that are common or very bad are tested for even in people who do not show any symptoms. If these diseases are found early they can be treated before they cause problems. An example would be checking a woman for cervical cancer with a test called a pap smear. If cervical cancer is found early it can be cured. If it is found later it usually causes death. Another example is immunization. The basic of it is to make the body ready for a disease. The body has its own defense against disease called the immune system. One special characteristic of the immune system is its ability to remember. If a person had been sick before and had recovered, the immune system produce a substance called antibodies which fight the disease if it comes back to the person. The antibody is specific to a particular disease or antigen. An example of this is measles which is a virus. A person usually a child who had never been sick with measles is given a milder form of the virus, this cause the immune system to produce antibodies against the virus. If this person is exposed to the same virus in the future, the person's immune system will remember and will fight the virus.
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For general prevention to be useful:
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Epidemiology is the study of the cause of disease. Some diseases are more popular for people with common characteristics, like similar origins, sociological background, food or nationality. Without good epidemiological research some diseases can be hard to track and to name. Some diseases can be taken for something else. This is why epidemiology takes a huge part in understanding how to protect ourselves against viruses, toxins and bacteria.[3]
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Ice skating is skating on ice as a sport, entertainment or pastime. Ice skates, a special type of boot with metal blades on the bottom, are worn to skate on ice. Figure skating and speed skating are the sport forms of ice skating. Hockey is also played on ice, with players wearing ice skates. The International Skating Union (ISU) is the international governing body for figure skating and speed skating.[1]
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Ice skating probably began in Scandinavia as early as 1000 BCE, as a way to travel in the winter. The sport of skating started in the Netherlands. Since the Middle Ages, people in the Netherlands have skated on canals. The first skating club was created in Scotland in 1742. In 1850, Edward Bushnell created steel-bladed skates which allowed skaters to make difficult turns and movements on the ice.[2] Figure skating was included in the Olympics in 1908. It was the first winter sport included in the Olympics. Today, ice skating is a popular pastime. Ice shows, like Ice Follies and Ice Capades, are a popular form of entertainment.[3]
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Modern figure skates have two edges on the blades and a toothed toepick on the front of the blade. The toepick is used for jumps and spins. Figure skating boots are made of leather. Speedskating ice skates and hockey ice skates have a single edge on the blade.[3][1]
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Men's singles, women's singles, pairs and ice dance are the four types of competitive figure skating. In singles competitions, skaters perform a short technical routine and a longer, creative free routine. The skaters are judged on their performance of jumps, spins and spirals, as well as their artistry. In pairs competitions, two skaters perform two original routines together and are judged on their skills, artistry, and synchronization. In ice dancing, two skaters perform two compulsory routines and an original routine together.[3]
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Speed skating is racing on ice. Skaters are judged on their speed. Speed skating has been an Olympic sport since 1924.[4]
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Ice skating is skating on ice as a sport, entertainment or pastime. Ice skates, a special type of boot with metal blades on the bottom, are worn to skate on ice. Figure skating and speed skating are the sport forms of ice skating. Hockey is also played on ice, with players wearing ice skates. The International Skating Union (ISU) is the international governing body for figure skating and speed skating.[1]
|
2 |
+
|
3 |
+
Ice skating probably began in Scandinavia as early as 1000 BCE, as a way to travel in the winter. The sport of skating started in the Netherlands. Since the Middle Ages, people in the Netherlands have skated on canals. The first skating club was created in Scotland in 1742. In 1850, Edward Bushnell created steel-bladed skates which allowed skaters to make difficult turns and movements on the ice.[2] Figure skating was included in the Olympics in 1908. It was the first winter sport included in the Olympics. Today, ice skating is a popular pastime. Ice shows, like Ice Follies and Ice Capades, are a popular form of entertainment.[3]
|
4 |
+
|
5 |
+
Modern figure skates have two edges on the blades and a toothed toepick on the front of the blade. The toepick is used for jumps and spins. Figure skating boots are made of leather. Speedskating ice skates and hockey ice skates have a single edge on the blade.[3][1]
|
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+
|
7 |
+
Men's singles, women's singles, pairs and ice dance are the four types of competitive figure skating. In singles competitions, skaters perform a short technical routine and a longer, creative free routine. The skaters are judged on their performance of jumps, spins and spirals, as well as their artistry. In pairs competitions, two skaters perform two original routines together and are judged on their skills, artistry, and synchronization. In ice dancing, two skaters perform two compulsory routines and an original routine together.[3]
|
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|
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+
Speed skating is racing on ice. Skaters are judged on their speed. Speed skating has been an Olympic sport since 1924.[4]
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Paul Gardner Allen (January 21, 1953 – October 15, 2018) was an American who created Microsoft with Bill Gates. He was the fifth richest person in the United States. He lived in Mercer Island, Washington.
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Allen was also the outright owner of two sports teams, and was part-owner of a third. He fully owned the Seattle Seahawks of the NFL and the Portland Trail Blazers of the NBA. He was a minority owner of Seattle Sounders FC in Major League Soccer.
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Allen died from septic shock caused by non-Hodgkin lymphoma on October 15, 2018 in Seattle, Washington at the age of 65.[1][2][3]
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Media related to Paul Allen at Wikimedia Commons
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.
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Joint Base Pearl Harbor–Hickam is a United States Navy and United States Air Force base in the U.S. state of Hawaii, on the south shore of Oahu. The navy base was started in 1899 and merged with the air force base in 2010. It is 8 miles (15 km) west of downtown Honolulu.
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The Japanese bombed Pearl Harbor, on December 7, 1941, which was a surprise. The attack led to America's fighting in World War II. The reason the Japanese attacked Pearl Harbor was to destroy the U.S. Navy (Seventh Fleet), and prevent the U.S from stopping the Japanese expansion in Asia.
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The September 11 attacks (also called 9/11),[nb 1] were four terrorist attacks against the United States. They all happened on the morning of Tuesday, September 11, 2001. The attacks killed 2,996 people, including the 19 attackers,[2] making it the deadliest terrorist attack in history.[3] They caused more than $10 billion in damage to infrastructure.[4][5] They were carried out by the Islamic terrorist group al-Qaeda.[6][7][8] They used passenger airplanes to destroy famous buildings by flying the planes into them. There were two attacks in New York City and one in Arlington, Virginia. The fourth attack did not work and the plane crashed in a field near Shanksville, Pennsylvania.
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The buildings attacked were the World Trade Center's twin towers in New York City, and the Pentagon in Arlington, Virginia. The fourth plane crashed in an empty field in Pennsylvania before it could reach its target in Washington, D.C. That target was either the White House or the United States Capitol.[9] After the event, the United States government said the people who had done the attacks were close to the terrorist group al-Qaeda.
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The first of the four planes to take off was American Airlines Flight 11, a Boeing 767-200ER. It was 159 feet (48 m) long and 16 feet (4.9 m) wide. It had two aisles. The plane made daily flights between Boston and Los Angeles. When it took off at 7:59 a.m. on the morning of the eleventh, it carried only 81 passengers in its 158 seats. Forty-seven minutes later, it crashed into the North Tower at 440 miles per hour (710 km/h). It was carrying 9,717 gallons of jet fuel, 14,000 fewer than it was able to carry.
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United Airlines Flight 175, also a Boeing 767-200ER, was the second. Like American Airlines 11, it was scheduled to fly from Boston to Los Angeles. When United 175 took off at 8:14 a.m., it was even lighter than the American flight: Only 56 of 168 seats were filled. When it crashed into the South Tower of the World Trade Center at 9:03 a.m., traveling 540 miles per hour (870 km/h), it had 9,118 gallons of fuel in its tanks. This crash was broadcast live on many television channels worldwide that were already showing the North Tower burning.[10]
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American Airlines Flight 77 was the third plane to take off. It was a Boeing 757-200. It left Washington, D.C. at 8:20 a.m. going to Los Angeles. It was two-thirds empty, with 58 passengers in its 176 seats. It was carrying 4,000 gallons of fuel, less than the 11,500 gallons it could carry. It crashed into the Pentagon at 9:37 a.m., flying at 530 miles per hour (850 km/h).
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The fourth plane, United Airlines Flight 93, was also a 757-200. It was traveling from Newark, New Jersey to San Francisco. It was scheduled to leave at 8 a.m., but was delayed for 42 minutes. When it finally took off, it carried only 37 passengers in its was 182 seats. It had a little over 7,000 gallons of fuel. At 10:03 a.m, it crashed at 560 miles per hour (900 km/h) into an empty field near Shanksville, Pennsylvania.
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All of the 246 people on the four planes died in the crashes. 19 terrorists were also killed in the attacks. Both towers of the World Trade Center caught on fire after the crashes. The South Tower (2 WTC) burned for 56 minutes before it fell and was destroyed. The North Tower (1 WTC) burned for 102 minutes before it also fell. As the towers fell, parts of the towers hit other buildings around them. It is believed that because of this damage, a third building, 7 World Trade Center (7 WTC), fell at 5:20 p.m. Many other buildings in the area were damaged badly and had to be demolished later, leaving the whole World Trade Center complex destroyed. 2,602 people died at the World Trade Center.
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The plane that hit the Pentagon hit the ground just as it hit the western side of the building. It then crashed through three of the five "rings" that make up the Pentagon. The crash killed 125 people in the Pentagon.
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The United States government paid an average of $1.8 million to the families of the victims of the attacks.[11]
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There were 2,996 people who died in the attacks. They included firefighters and police officers trying to save the other people. They also included the 19 attackers who were all killed.
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The attacks also led to the United States Department of Homeland Security being created, which protects the country from terrorist attacks.
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Many conspiracy theories have appeared which say that certain people in the United States government knew about the attacks, or even made them happen. These have been said to be false by the government.
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After the attack, the United States blamed Al-Qaeda, which the U.S. thought was a terrorist group. President George W. Bush said he would start a "War on Terror". He meant that the United States would do more things to try to stop terrorism in the future. Bush said this was meant to protect Americans and their property from terrorists. For example, the American government would be reorganized. Security and control in public places was made stronger, especially at airports. Americans were told every day whether there was a serious threat of terrorism. (This was done by giving a color for the day. Red meant there was a high risk, green meant a low risk, and there were many levels in between.)
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The War on Terror also led to real wars. The leader of Al-Qaeda, Osama bin Laden, lived in the Islamic Emirate of Afghanistan. The United States told the government of Afghanistan, called the Taliban, to turn bin Laden over to them. The Taliban would not do this. The leader of the Taliban, Mullah Muhammad Omar, demanded to see proof from the United States government. If proof was not given, Mullah Omar said that he would not hand over bin Laden. President George W. Bush said that he did not need to provide proof.[12] The United States then went to war against Afghanistan. The Taliban was removed from power, a new government was put in power, and a new president was chosen by the people of Afghanistan.
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While this was happening, the United States government changed in a few ways. The United States Department of Transportation (DOT) created the Transportation Security Administration (TSA). Before 9/11, security at American airports was provided by the airlines. The TSA made it the government's job to provide airport security. New officers were hired by TSA to work at airports and to fly on planes as air marshals. The TSA also provides security on American trains and subways. A new Department of Homeland Security was also created. It became their job to protect Americans and their property inside the United States. When this department was created, the TSA moved from the DOT to Homeland Security.
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After defeating the Taliban, President George W. Bush thought the US should invade Iraq. He believed that Iraq helped terrorist groups, including al-Qaeda. He said he had evidence that Iraq was also making weapons of mass destruction. He sent Secretary of State Colin Powell to the United Nations to show them some of the evidence. In March, 2003, the United States began its invasion of Iraq. (Four other countries also took part, including the United Kingdom, Australia, Poland, and Denmark.) The government of Iraq was overthrown, and the people of Iraq elected a new government. No weapons of mass destruction were found in Iraq.
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On May 2, 2011, United States Navy SEALs killed al-Qaeda leader Osama bin Laden, who led the September 11, 2001 attacks and other terrorist attempts.
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Immediately after the attacks, the Federal Bureau of Investigation started PENTTBOM. This was the biggest criminal investigation in the history of the United States. At one point, more than half of the FBI's agents worked on the investigation and followed a half-million leads.[13] The FBI concluded that there was "clear and irrefutable (cannot be denied)" evidence linking al-Qaeda and bin Laden to the attacks.[14]
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The FBI did not record the 2,977 deaths from the attacks in their annual violent crime record for 2001.[15] New York City also did not include the deaths in their annual crime statistics for 2001.[16]
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The Inspector General of the Central Intelligence Agency (CIA) did a review of the CIA's pre-9/11 performance. He was very critical of senior CIA officials for not doing everything possible to stop terrorism. He criticized their failure to stop two of the 9/11 hijackers, Nawaf al-Hazmi and Khalid al-Mihdhar, as they entered the United States. He also criticized their failure to share information on the two men with the FBI.[17] In May 2007, senators from both major U.S. political parties wrote legislation to make the review public. One of the backers, Senator Ron Wyden said, "The American people have a right to know what the Central Intelligence Agency was doing in those critical (important) months before 9/11."[18]
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In February 2002, the Senate Select Committee on Intelligence and the House Permanent Select Committee on Intelligence created a joint inquiry into the performance of the U.S. Intelligence Community.[19] Their 832-page report was released in December 2002.[20] In the report, there were detailed failings of the FBI and CIA to use available information. This included information about terrorists the CIA knew were in the United States. They failed to use this information in order to stop the plans.[21] The joint inquiry got its information about Saudi Arabian government officials possibly being involved from non-classified sources.[22] The Bush administration demanded 28 related pages stayed classified.[21]
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On the day of the attacks, New York City mayor Rudy Giuliani said: "We will rebuild. We're going to come out of this stronger than before, politically stronger, economically stronger. The skyline will be made whole again."[23]
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The damaged part of the Pentagon was rebuilt within one year of the attacks.[24] Construction of One World Trade Center started on April 27, 2006. It reached its full height on May 20, 2013. The spire was installed on top of the building at that date. This makes the total height of 1 WTC's at 1,776 feet (541 m). This makes it the tallest building in the Western Hemisphere.[25] One WTC finished construction and opened on November 3, 2014.[26][27]
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On the World Trade Center site, three more office towers were supposed to be built. They were supposed to be built one block east of where the original towers were.[28] 4 WTC opened in November 2013. This makes it the second tower on the site to open (7 World Trade Center was the first).[29] 3 WTC opened on June 11, 2018. This makes it the fourth skyscraper at the site to be finished.[30]
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