[User]
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How many nitrates does nitrifying prokaryotes convert?
Choice list: A. 2
B. 7
C. 6
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What happens if there are no denitrifying prokaryotes?
Choice list: A. There would be no atmospheric nitrogen.
B. Nitrites will not be converted to nitrates.
C. Nitrates will not be converted to nitrites.
D. Nitrogen will not be converted to ammonia.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How do animals get the nitrogen they need?
Choice list: A. By breathing in atmospheric nitrogen
B. By eating plants
C. By getting hit by lightning
D. By eating soil
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What compound turns into nitrates in the soil?
Choice list: A. Ammonia
B. Nitrates
C. Ammonium
D. Organic matter
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What compounds are included when the soil is leaching?
Choice list: A. Nitrates and Nitrites.
B. Fossil Fuels.
C. Ammonia.
D. Nitrogen Oxide.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Which mineral does the plant absorb from the soil?
Choice list: A. Ammonia
B. Nitrates
C. Lightning
D. The cow
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What process brings nitrogen from plants and animals?
Choice list: A. nitrogen-fixing by bacteria
B. lightning
C. denitrifying of nitries by bacteria
D. decaying of organic matter
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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In this diagram of cycles of matter, what happens after Nitrogen-fixing bacteria?
Choice list: A. Plant Protein Eaten
B. Nitrogen in Atmosphere
C. Denitrifying bacteria
D. Free nitrates, nitrites, and ammonia
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What happens when organisms die and decompose?
Choice list: A. They are broken down into proteins.
B. Nitrogen is released to the atmosphere.
C. Nitrogen is oxidized.
D. Nitrogen is returned to the soil as ammonium ions.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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What is absorbed by plants?
Choice list: A. none
B. amonia and nitrates
C. egestion
D. urine
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What step is shown in the diagram?
Choice list: A. 4
B. 3
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which one absorbs ammonia and nitrates in soil?
Choice list: A. cow
B. egestion
C. plant roots
D. clouds
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Identify condensation
Choice list: A. D
B. M
C. K
D. C
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Where does the co2 in the air dissolve?
Choice list: A. plants
B. ocean
C. animals
D. air
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What produces organic matter?
Choice list: A. fertilizers
B. plants and animals
C. farms and runoff
D. Fossil fuel emissions
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Identify photosynthesis
Choice list: A. R
B. X
C. F
D. E
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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process in which living things obtain energy from food
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What happens during respiration?
Choice list: A. producers create food energy from solar energy
B. consumers use solar energy to create food energy
C. living things release energy from food
D. carbon dioxide is converted into oxygen
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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carbon compound used by plants to make sugar
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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What is nitrogen fixing?
Choice list: A. Soil bacteria make nitrogen useful for producers.
B. Producers make nitrogen useful for consumers.
C. Nitrogen gas in the atmosphere creates complex compounds.
D. Nitrogen combines with oxygen to make a useful gas.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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key element in proteins
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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Greenhouse gases
Choice list: A. absorb incoming solar radiation in the atmosphere.
B. trap infrared radiation radiating from Earths surface.
C. scatter sunlight from one molecule to another.
D. All of these.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Carbon is
Choice list: A. stored in the mantle
B. released into the atmosphere at volcanoes
C. stored in the oceans
D. all of these
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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process that releases nitrogen from organic remains
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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process that changes nitrogen to a form that plants can use
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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Destroying forests changes the carbon cycle because
Choice list: A. plants take carbon out of the atmosphere
B. burning plants releases stored carbon into the atmosphere
C. more carbon is in the atmosphere
D. all of these
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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element that is the basis of all life on Earth
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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type of carbon compound that includes sugars and starches
Choice list: A. carbohydrate
B. respiration
C. carbon
D. decomposition
E. nitrogen
F. nitrogen fixing
G. carbon dioxide
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Carbon is an important part of organic material.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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When an organism decomposes, its carbon is released back into the environment.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Carbon is only found in organic material.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Nitrogen is a nutrient so more is always better.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Algae create food energy from sunlight.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Carbon dioxide enters the atmosphere during
Choice list: A. photosynthesis.
B. burning.
C. decay.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Which of the following compounds in living things contain carbon?
Choice list: A. sugars
B. starches
C. proteins
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Consumers get carbon by
Choice list: A. photosynthesis.
B. respiration.
C. breathing.
D. eating.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Human beings affect the carbon cycle by
Choice list: A. burning wood.
B. using fossil fuels.
C. cutting down forests.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Which process releases nitrogen into the air?
Choice list: A. breaking down waste
B. fixing nitrogen
C. using fertilizer
D. making sugar
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Without certain organisms that live in soil, plants would not be able to use
Choice list: A. carbon.
B. oxygen.
C. nitrogen.
D. carbon dioxide.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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The underlying cause of dead zones is
Choice list: A. not enough carbon in the water.
B. too much nitrogen in the water.
C. too few organisms in the water.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The carbon cycle includes both living and nonliving things.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Carbon changes form as it moves through the carbon cycle.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Volcanic eruptions release carbon dioxide into the air.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The atmosphere contains more carbon than the oceans.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Carbon cycles very quickly through ocean water.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Nitrogen is one of the most important nutrients needed by plants.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Plants obtain nitrogen directly from the atmosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Nitrogen in runoff that enters ponds kills algae and water plants.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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When algae use food for energy, they release oxygen into the water.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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There is a large dead zone in the Gulf of Mexico.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What produces ozone?
Choice list: A. Sun
B. Oxygen
C. Hydrogen
D. Carbon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many times does the sun appear in the image?
Choice list: A. 1
B. 2
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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After energy is applied to the oxygen molecule, what happens?
Choice list: A. Splits into 2 Oxygen atoms
B. Multiplies into 3 ozone atoms
C. Splits into 2 ozone molecule
D. Splits into 2 oxygen molecules
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What are the elements in an Oxygen atom?
Choice list: A. Oxygen molecule
B. Energy
C. Ozone molecule
D. Neutron, Electron, Proton
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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From how many differently named parts does the Oxygen atom consist of?
Choice list: A. 2
B. 5
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many types of atom are shown in the picture?
Choice list: A. 3
B. 4
C. 5
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Where do VOCs come from?
Choice list: A. Radios
B. Hairspray
C. Televisions
D. Landfills
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many atoms of Oxygen are present in an Ozone molecule?
Choice list: A. 2
B. 1
C. 3
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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UV radiation splits oxygen molecule into how many oxygen atoms?
Choice list: A. 3
B. 4
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What comes out when UV radiation hits oxygen molecules?
Choice list: A. ozone molecule
B. oxygen atoms
C. hydrogen atoms
D. helium atoms
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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In which step is ozone formed?
Choice list: A. Step 5
B. Step 3
C. Step 2
D. Step 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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What is required to split an oxygen molecule?
Choice list: A. O1
B. Ozone
C. oxidation
D. Applied energy
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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How many steps are there in the oxygen-ozone cycle?
Choice list: A. 2
B. 5
C. 3
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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How many steps does the Oxygen-Ozone-Oxygen cycle have?
Choice list: A. 5
B. 4
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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How is Ozone (O3) formed?
Choice list: A. The Oxygen Molecule is split by electrical discharge
B. by smashing atoms together in machines known as particle accelerators
C. energised particles such as neutrinos and protons are released
D.  neutrons collide with the common isotope of uranium
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What is the first thing that happens to the oxygen molecule?
Choice list: A. ozone performing oxidation and decomposition functions
B. activated ozone
C. The oxygen molecule is split by electrical discharge
D. ozone is formed
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many changes does an Oxygen molecule go through to become Activated Ozone?
Choice list: A. 4
B. 2
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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What happens after the oxygen molecule is split by electrical discharge?
Choice list: A. ozone oxidates
B. ozone decomposes
C. ozone is formed
D. ozone activates
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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What is formed after oxygen molecule is split by electrical discharge?
Choice list: A. Carbon Dioxide
B. Oxygen
C. Nitrogen
D. Ozone
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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type of pollutant that forms when other pollutants undergo chemical reactions
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
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Many of the smoggiest cities are in which state?
Choice list: A. California
B. New York
C. Texas
D. Florida
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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primary pollutant that is a carbon compound such as methane
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Slash-and-burn is done primarily
Choice list: A. for energy
B. to clear land for agriculture
C. to clear land for construction
D. none of these
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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type of pollutant that enters the air directly
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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How many pollutants does the Clean Air Act of 1970 regulate?
Choice list: A. 6
B. 89
C. 189
D. 289
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Pollutants may collect
Choice list: A. beside mountain ranges
B. in inversions
C. when there is little wind
D. all of these.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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solid particle in the air
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
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measure of the pollutants in air
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Smog that forms from a reaction with sunlight is known as
Choice list: A. photographic smog
B. photochemical smog
C. photosynthesized smog
D. photogenic smog
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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brown haze that forms in air when certain pollutants react together in sunlight
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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primary component of photochemical smog
Choice list: A. air quality
B. photochemical smog
C. primary pollutant
D. VOC
E. particulate
F. ozone
G. secondary pollutant
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
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Before the Industrial Revolution there was very little air pollution that wasnt natural.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Burning fossil fuels releases carbon dioxide into the atmosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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About 150 million tons of pollutants enter into the atmosphere every year.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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The Clean Air Act regulates carbon dioxide.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Ozone in the lower atmosphere protects life from UV radiation.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
The worst air pollution in the U.S. occurs in
Choice list: A. New York State.
B. New Jersey.
C. California.
D. Florida.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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The Big Smoke was an incident of deadly air pollution that occurred in the mid-1900s in
Choice list: A. Los Angeles.
B. San Francisco.
C. Mexico City.
D. London.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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In the U.S. today, air pollution comes from
Choice list: A. vehicles.
B. factories.
C. power plants.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Most primary pollutants are released by
Choice list: A. volcanic eruptions.
B. natural processes.
C. human activities.
D. forest fires.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Pollutants released into the air when fossil fuels burn include
Choice list: A. carbon monoxide.
B. carbon dioxide.
C. particulates.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Smog consists mainly of
Choice list: A. smoke.
B. particulates.
C. water vapor.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
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Almost half of the fossil fuels that are burned are used by
Choice list: A. factories.
B. power plants.
C. cars and trucks.
D. homes and other buildings.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
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Air pollution is caused completely by human actions.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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The air in the U.S. is more polluted now than it was 50 years ago.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
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Livestock wastes pollute the air with methane.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
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Animal wastes add particulates to the atmosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Particulates include only particles big enough to be seen by the unaided eye.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
Ozone forms when certain air pollutants are heated by direct sunlight.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Paints and petroleum products release volatile organic compounds.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
Air pollution contributes to global warming.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
In California, mountain ranges can trap polluted air over cities.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
All primary pollutants come from directly from motor vehicles and smokestacks.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
In the diagram below, what happens to the Sulfur Dioxide and Nitrous Oxides emitted by the factory?
Choice list: A. turn into clouds
B. makes the lake healthy
C. nothing
D. Turns in to acid rain
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What chemicals cause dry deposition?
Choice list: A. SO2 and NOx
B. HNO3
C. H2O
D. H2SO4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What happens to the lakes?
Choice list: A. Turn acidic
B. Dry decomposition
C. Acidification of soil
D. Acid rain
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Identify the source that destroys plants, pollutes water sources and soil and erodes building?
Choice list: A. SO2
B. Acidic gases
C. Acid rain
D. CO2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many compound elements are shown in the diagram?
Choice list: A. 3
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Gases combine with water droplets to combine what?
Choice list: A. Acid Rain
B. Plants
C. Acid Gases
D. Buildings
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What part of the diagram shows the water vapor rising?
Choice list: A. H2O in Clouds
B. H2O Vapor
C. NO2
D. H2SO4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What contaminants are present in acid rain?
Choice list: A. Sulfuric Acid (H2SO4) and Nitric Acid (HNO3)
B. Sodium Biocarbonate (NaHCO3) and Carbon Tetrachloride (CaCl4)
C. Sulfur Dioxide (SO2) and Nitrogen Dioxide (NO2)
D. Ozone (O3) and Carbon Monoxide (CO)
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Acidic contents in clouds comes back to ground in how many forms?
Choice list: A. 2
B. 3
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many contributors to Acid Precipitation are shown in this image?
Choice list: A. 4
B. 1
C. 3
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What comes from the sunlight during acid precipitation?
Choice list: A. NO2
B. H20 Vapor
C. SO2
D. H2O in Clouds
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which of these produces sulfur dioxide and nitrogen dioxide emissions?
Choice list: A. acid rain
B. sunlight
C. clouds
D. coal-burning power plant
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What happens after acidic gases are released from a factory?
Choice list: A. Gases dissolve in rainwater
B. Gases are carried by the wind
C. Gases form acid rain
D. Acid rain kills plantlife
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Where does the acidic gases from the factory go?
Choice list: A. They stay in the forest
B. They roam around the forest
C. They were absorbed by the river
D. They go up to the sky
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
In the picture below, which kills plant life, pollutes rivers and streams, and erodes stonework?
Choice list: A. Oxygen
B. Rainfall
C. Wind
D. Acid Rain
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What symbol shows the Mercury in the diagram below?
Choice list: A. SO2
B. VOC
C. NOx
D. Hg
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What chemical does not come from anthropogenic sources?
Choice list: A. NOx
B. SO2
C. VOX
D. VOC
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Where do pollutants go after wet deposition?
Choice list: A. sources
B. ground
C. factory
D. clouds
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many types of pollutants in the diagram?
Choice list: A. 4
B. 1
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What types of pollutants result in wet deposition?
Choice list: A. Gaseous and Particulate pollutants
B. Carbon dioxide
C. Nitrogen oxide
D. acid rain
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which change of state is responsible for carrying the nitric acid and sulfuric acid to the ground in the form of acid rain?
Choice list: A. condensation
B. freezing
C. melting
D. sublimation
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many processes are shown in the diagram?
Choice list: A. 5
B. 8
C. 6
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
If we use more cars for transportation what would happen to emission to atmosphere?
Choice list: A. Vanish
B. Increase
C. Decrease
D. Stay the same
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What harmful emissions from burned fossil fuels cause the formation of acid rain?
Choice list: A. nitrogen and sulfur
B. nitrogen and sulfur oxides
C. Dry Fallout
D. fog and mist
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
type of pollutant that is usually higher in indoor than outdoor air
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
Particulates
Choice list: A. increase asthma attacks
B. significantly reduce rates of skin cancer
C. are responsible for neurological diseases
D. have no effect on human health
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
buildup of heavy metals in the tissues of organisms
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Ozone is a pollutant in the __________, but is beneficial in the __________.
Choice list: A. stratosphere; thermosphere
B. thermosphere; troposphere
C. ionosphere; thermosphere
D. troposphere; stratosphere
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
harmful radiation blocked by the ozone layer
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
Limestone buildings and sculptures are eroded primarily by which of the following?
Choice list: A. UV radiation
B. acid rain
C. ozone pollution
D. CFCs
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The phenomenon of pollutants adding up in an organism for life is known as
Choice list: A. bioaccumulation
B. accumulation
C. bio addition
D. biopollutants
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
gas in smog that is harmful to plants and people
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
type of air pollutant that destroys the ozone layer
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
Which fish species would typically contain the most mercury?
Choice list: A. krill
B. shark
C. trout
D. oyster
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
type of air pollutant that blocks sunlight from reaching Earths surface
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
odorless, colorless gas that is deadly to people in a confined space
Choice list: A. ozone
B. bioaccumulation
C. particulate
D. carbon monoxide
E. VOC
F. CFC
G. UV
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Lung cancer rates are increasing entirely due to more people smoking.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Ozone loss near the North and South Poles is about the same.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
On a pH scale, numbers below 7 are basic.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Particulates reduce the amount of sunshine that reaches the ground.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Acid rain is produced by nitrogen and sulfur-oxides in the atmosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Breathing polluted air increases the risk of lung cancer.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Ozone in smog can kill entire forests.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Some people are more sensitive to smog than others.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Small fish are likely to contain higher levels of lead than large fish.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Exposure to heavy metals can cause brain damage in unborn babies.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Acid rain contains higher-than-normal levels of carbonic acid.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Acid rain damages structures but does not harm living things.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The hole in the ozone layer shows that air quality is improving.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The ozone hole is bigger in some seasons than in others.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Ground-level ozone is especially harmful to people with heart disease.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Air pollutants that increase the risk of asthma include
Choice list: A. ozone.
B. particulates.
C. heavy metals.
D. two of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
An air quality index of 120 parts of ozone per million parts of air is
Choice list: A. safe only for young people.
B. unhealthy for some people.
C. unhealthy for all people.
D. safe for all people.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Nitrogen and sulfur oxides
Choice list: A. are toxic to humans.
B. can cause lung diseases.
C. form acid rain.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Which organisms in a food chain have the highest levels of heavy metals?
Choice list: A. producers
B. primary consumers
C. secondary consumers
D. tertiary consumers
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Sources of VOCs include
Choice list: A. cleaning solutions.
B. building materials.
C. paints.
D. all of the above
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Normal rain is slightly acidic because it contains dissolved
Choice list: A. oxygen.
B. nitrogen.
C. carbon dioxide.
D. nitrogen dioxide.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
The ozone layer in the atmosphere
Choice list: A. occurs in the stratosphere.
B. is being destroyed by acid rain.
C. protects Earth from harmful CFCs.
D. forms only over the South Pole and Antarctica.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the center of the sun known as?
Choice list: A. THE RADIATION ZONE
B. SUNSPOTS
C. THE PROTOSPHERE?
D. THE CORE
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which label refers to the core?
Choice list: A. Y
B. T
C. N
D. W
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which label represents the corona?
Choice list: A. K
B. R
C. P
D. V
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which letter represents the core?
Choice list: A. R
B. V
C. P
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
This is the hottest portion of the sun.
Choice list: A. P
B. Y
C. K
D. V
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the inner layer of the sun called?
Choice list: A. RADIATIVE ZONE
B. CORE
C. CONVECTIVE ZONE
D. PHOTOSPHERE
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which label shows the core?
Choice list: A. Y
B. E
C. W
D. D
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which letter represents the Corona?
Choice list: A. N
B. P
C. M
D. S
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Where is the center of the Earth?
Choice list: A. W
B. E
C. D
D. N
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Identify the corona in this picture
Choice list: A. A
B. M
C. H
D. C
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which label shows the core?
Choice list: A. J
B. L
C. H
D. A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which phenomenon is most likely to happen after variations in the sun's magnetic field?
Choice list: A. SOLAR FLARES
B. SOLAR PROMINENCES
C. CORONAL EJECTÍ_ONS
D. SUN SPOTS
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
By what letter is the photo-sphere represented?
Choice list: A. M
B. V
C. S
D. P
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which letter represents the corona?
Choice list: A. M
B. S
C. K
D. V
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which label shows the Inner Core?
Choice list: A. V
B. J
C. P
D. S
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is between the convection zone and photosphere?
Choice list: A. M
B. P
C. J
D. V
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the solid portion of the Earth's nucleus?
Choice list: A. P
B. J
C. R
D. M
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which letter corresponds to the inner core?
Choice list: A. P
B. M
C. J
D. R
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the Sun Layer Labeled P?
Choice list: A. PHOTOSPHERE
B. CHROMOSPHERE
C. CORONA
D. CORE
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which label shows the Radiative Zone?
Choice list: A. N
B. P
C. W
D. C
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Identify the core in this picture
Choice list: A. N
B. C
C. P
D. W
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How deep is layer W?
Choice list: A. 1
B. 6
C. 4
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which letter corresponds to the part that's innermost in the sun?
Choice list: A. C
B. W
C. P
D. N
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which part of the sun is the hottest?
Choice list: A. Radiative zone
B. Corona
C. Chromosphere
D. Inner core
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What layer of the sun lies above the photosphere?
Choice list: A. subsurface flows
B. corona
C. inner core
D. chromosphere
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which layer of the sun is above the convection zone and under the inner core?
Choice list: A. Photosphere
B. Radiative zone
C. Cromosphere
D. Subsurface
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How far is the Photosphere in?
Choice list: A. 2
B. 1
C. 7
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many zones are there in the internal structure of the earth?
Choice list: A. 4
B. 2
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many layers of the sun are there?
Choice list: A. 4
B. 1
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What layer is just outside the Core in the Sun?
Choice list: A. Photosphere
B. Radiation Zone
C. Sunspots
D. Convection Zone
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What's the name of the area surrounding the core?
Choice list: A. photosphere
B. Radiation zone
C. spot
D. convection zone
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many layers are shown in th diagram?
Choice list: A. 3
B. 2
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many sunspots can you see in the image?
Choice list: A. 2
B. 3
C. 1
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The sun's warmest part is the
Choice list: A. Core
B. Sunspots
C. Convection Zone
D. Photosphere
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which represents the cooler, darker areas on the Suns surface?
Choice list: A. Sunspots
B. Core
C. Radiation Zone
D. Photosphere
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What does the photosphere do?
Choice list: A. It provides heat to the sun's core.
B. It provides heat to the chromosphere.
C. It protects the corona.
D. It separates the radiative zone from the convection zone.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the outermost layer of the sun?
Choice list: A. Chromosphere
B. Photosphere
C. Corona
D. Core
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What zone is around the sun's core?
Choice list: A. Radioactive zone
B. Chromosphere
C. Corona
D. Convection zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many parts is the sun made of?
Choice list: A. 5
B. 4
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many parts of the sun are shown in the diagram?
Choice list: A. 6
B. 4
C. 5
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
The hottest layer of the sun is its:
Choice list: A. Core
B. Convection zone
C. Corona
D. Radiative zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What does the outermost yellow part represent?
Choice list: A. Photosphere
B. Convection zone
C. Chromosphere
D. Radiative zone
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the outer layer of the Earth?
Choice list: A. convective zone
B. chromosphere
C. radiative zone
D. photosphere
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What lies between the core and the Convective zone?
Choice list: A. Photosphere
B. Corona
C. Chromosphere
D. Radiative zone
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many layers lie between the chromosphere and the core?
Choice list: A. 1
B. 3
C. 2
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the sun's innermost layer?
Choice list: A. Convection Zone
B. Radiative Zone
C. Chromosphere
D. Core
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is the outermost internal structure?
Choice list: A. Convection zone
B. Radiative zone
C. Photosphere
D. Prominence
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the innermost layer of the sun?
Choice list: A. Photosphere
B. Chromosphere
C. Corona
D. Core
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
How many parts make up the internal structure of the Sun?
Choice list: A. 1
B. 2
C. 4
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
The second-most inner structure of the sun is the:
Choice list: A. Radiative zone
B. Corona
C. Core
D. Convection zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How is it called the outermost part of the Suns atmosphere?
Choice list: A. Photosphere
B. Chromosphere
C. Prominence
D. Corona
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is the cap that covers the core of chromosphere?
Choice list: A. sunspot
B. corona
C. prominence
D. radiative zone
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which is the cooler, darker area on the Sun's surface that occurs in an 11-year cycle?
Choice list: A. Photosphere
B. Granulation on surface
C. Sunspot
D. Convective zone
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
What is the innermost part of the sun?
Choice list: A. Convective Zone
B. Core
C. Chromosphere
D. Radiative Zone
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which layer of the sun surrounds the core?
Choice list: A. Convective zone
B. Radiative zone
C. Photosphere
D. Chromosphere
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
How many layers does the sun have?
Choice list: A. 4
B. 3
C. 6
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
These are the cooler, darker areas on the sun's surface.
Choice list: A. Corona
B. Prominence
C. Sunspots
D. Flare
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Which is the deepest part?
Choice list: A. core
B. convective zone
C. prominence
D. radiative zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which of the following is a surface feature of the sun?
Choice list: A. Sunspots
B. Convective Zone
C. Core
D. Radiative Zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Sunspots are seen on which part of the sun?
Choice list: A. Surface
B. Core
C. Coronal Hole
D. Photosphere
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the outmost part of the sun's atmosphere?
Choice list: A. Corona
B. Core
C. Photosphere
D. Convective Zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which zone surrounds the Radiative zone?
Choice list: A. The Chromosphere
B. The Photosphere
C. The Convective zone
D. The core
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many zones are presented in the diagram?
Choice list: A. 4
B. 2
C. 3
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What are dark spots that sometimes appear on the surface of the sun?
Choice list: A. Core Spots
B. Flares
C. Coronal Holes
D. Sunspots
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
Which part of the sun is the hottest region?
Choice list: A. Prominence
B. Photosphere
C. Core
D. Corona
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
This is the innermost region of the sun.
Choice list: A. Corona
B. Photosphere
C. Convection zone
D. Inner core
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
What is the next layer after the inner core?
Choice list: A. Photosphere
B. Rediative Zone
C. Convection Zone
D. Subsurface Flows
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Where do the nuclear reactions take place?
Choice list: A. Corona
B. Rediative zone
C. Inner core
D. Convection zone
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
How many layers does the sun have?
Choice list: A. 7
B. 5
C. 6
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many total core does picture depict?
Choice list: A. 7
B. 6
C. 5
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
Which zone surrounds the radiative zone?
Choice list: A. photosphere
B. chromosphere
C. core
D. convective zone
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
This region of the sun extends millions of kilometers into space.
Choice list: A. Corona
B. Convective Zone
C. Radiative Zone
D. Core
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the inner layer of the sun called?
Choice list: A. Core
B. Photosphere
C. Convective zone
D. Chromosphere
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
Which layer of the sun has the lowest temperature?
Choice list: A. Chromosphere
B. Photosphere
C. Radiative zone
D. Convective zone
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
What is the innermost layer of the sun?
Choice list: A. Core
B. Convective Zone
C. Photoshere
D. Radiative Zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
What is the outer layer of the sun?
Choice list: A. Corona
B. Photosphere
C. Convective Zone
D. Radiative Zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
How many zones does the sun have?
Choice list: A. 7
B. 4
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
Identify the corona
Choice list: A. V
B. P
C. K
D. R
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
The layer that shows beyond the Moon in a solar eclipse is the
Choice list: A. corona
B. photosphere
C. radiative zone
D. prominence zone
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which layer of the Sun contains slow moving photons?
Choice list: A. corona
B. core
C. radiative zone
D. convection zone
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
Most atoms in the Sun exist as
Choice list: A. photons
B. plasma
C. light
D. silicate minerals
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The energy that powers the Sun comes from
Choice list: A. hydrogen fusing into helium
B. radioactivity
C. helium fusing into heavier elements
D. nuclear fission
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Cool areas where the magnetic field disrupts the surface are
Choice list: A. solar flares
B. solar prominences
C. solar winds
D. sunspots
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
The sun makes up over 99 percent of the mass of the solar system.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
The suns core is made of solid rock.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The sun has no atmosphere.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The Suns core is molten metal.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The suns energy comes from reactions in which hydrogen changes to helium.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
A solar flare can knock out power grids on Earth.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Energy travels through the radiative zone of the sun at the speed of light.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The part of the sun that we see shining is the convective zone.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The Sun makes up 99.8% of the mass of the solar system.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
The corona is the coolest layer of the sun.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
The Sun does not have a defined outer boundary.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Plasma is a solid.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Sunspots occur because of magnetic activity of the sun.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Solar wind is dangerous to spacecraft and astronauts.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Solar prominences are mountains on the suns surface.
Choice list: A. true
B. false
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
Most of the atoms of the sun exist as
Choice list: A. solids.
B. liquids.
C. gases.
D. plasma.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Most of the solar system is powered by energy that originates in the suns
Choice list: A. core.
B. corona.
C. photosphere.
D. chromosphere.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Energy travels through the radiative zone of the sun as particles called
Choice list: A. photons.
B. protons.
C. plasmas.
D. none of the above
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
Which of the following statements about sunspots is false?
Choice list: A. They usually occur in pairs.
B. They repeat in 11-year cycles.
C. They disrupt heat transfer in the sun.
D. They are storms on the suns surface.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Solar flares occur when
Choice list: A. there is a break in a loop of the suns magnetic field.
B. solar wind causes fires to flare up on the suns surface.
C. nuclear reactions take place in the suns atmosphere.
D. matter inside the sun changes to the plasma state.
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
The hottest part of the sun is the
Choice list: A. convection zone.
B. radiative zone.
C. corona.
D. core.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
Power grids and communication systems on Earth may be disturbed by a
Choice list: A. sunspot.
B. solar flare.
C. solar corona.
D. solar fusion reaction.
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
relatively cool, dark area on the suns surface
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] G


[User]
<image>
<image>
superheated gas with an electrical charge
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
layer of the sun that surrounds the radiative zone
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] E


[User]
<image>
<image>
visible layer of the suns atmosphere
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
layer of the suns atmosphere that glows red
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
layer of the sun nearest the core
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] F


[User]
<image>
<image>
hottest layer of the suns atmosphere
Choice list: A. chromosphere
B. corona
C. photosphere
D. plasma
E. convection zone
F. radiative zone
G. sunspot
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the first quarter?
Choice list: A. W
B. R
C. V
D. A
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label; refers to the waxing crescent?
Choice list: A. A
B. W
C. R
D. V
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the first quarter?
Choice list: A. W
B. R
C. V
D. A
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which of the followings is related to a waning crescent?
Choice list: A. P
B. C
C. V
D. W
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which represents a full moon?
Choice list: A. R
B. A
C. K
D. W
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the North Pole in this picture
Choice list: A. N
B. C
C. D
D. M
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label shows the full moon?
Choice list: A. Y
B. D
C. K
D. A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
By what letter is the earth represented in the diagram?
Choice list: A. U
B. Y
C. F
D. S
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label shows the Planet Earth?
Choice list: A. J
B. A
C. P
D. U
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
In the diagram below, which is “U” labeling?
Choice list: A. ECLIPSE
B. MOON
C. EARTH
D. FULL MOON
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What type of moon is shown at M?
Choice list: A. FULL MOON
B. WAXING GIBBOUS
C. FIRST QUARTER
D. WANING GIBBOUS
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the third quarter?
Choice list: A. M
B. S
C. J
D. F
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which moon position is a full moon able to be viewed from earth?
Choice list: A. S
B. U
C. M
D. J
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the New Moon?
Choice list: A. R
B. U
C. J
D. L
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter indicates a waning crescent moon?
Choice list: A. K
B. H
C. T
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase of the moon is L?
Choice list: A. WAXING CRESCENT
B. NEW MOON
C. WAXING GIBBOUS
D. WANING GIBBOUS
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase happens right before the new moon?
Choice list: A. R
B. Y
C. K
D. U
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which represents the new moon?
Choice list: A. A
B. R
C. L
D. J
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label corresponds to a moon in the waxing gibbous phase of the moon?
Choice list: A. T
B. C
C. H
D. V
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the Waxing Gibbous phase?
Choice list: A. M
B. C
C. T
D. H
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase is Waxing Quarter?
Choice list: A. V
B. D
C. C
D. M
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the new moon?
Choice list: A. W
B. M
C. J
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label represents the new moon?
Choice list: A. M
B. J
C. Y
D. W
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label shows the Full Moon?
Choice list: A. A
B. W
C. L
D. M
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the phase after J (new moon)?
Choice list: A. W
B. L
C. M
D. A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which of the following shows the waxing gibbous?
Choice list: A. W
B. Y
C. A
D. X
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the gibbous moon in this picture
Choice list: A. A
B. K
C. R
D. F
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the full moon?
Choice list: A. R
B. A
C. F
D. K
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What does the letter R represent?
Choice list: A. CRESCENT MOON
B. QUARTER MOON
C. WAXING CRESCENT
D. GIBBOUS MOON
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which drawing shows the earth exactly half dark/half-light?
Choice list: A. K
B. F
C. A
D. R
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which represents a quarter moon?
Choice list: A. F
B. K
C. R
D. A
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the Moon Phase Labeled V?
Choice list: A. FIRST QUARTER
B. WAXING CRESCENT
C. WANING CRESCENT
D. FULL MOON
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the Earth?
Choice list: A. D
B. V
C. T
D. Y
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which stage is found between V and P?
Choice list: A. Y
B. F
C. W
D. S
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the picture of the waning crescent moon
Choice list: A. L
B. Y
C. C
D. X
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which picture represents the full moon phase?
Choice list: A. T
B. L
C. H
D. P
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label occurs when the Earth is not blocking any light from the sun?
Choice list: A. P
B. T
C. L
D. H
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the New Moon?
Choice list: A. X
B. U
C. E
D. H
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the phase called New Moon?
Choice list: A. C
B. T
C. X
D. H
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Select the New Moon.
Choice list: A. U
B. H
C. C
D. X
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label marks waxing crescent in lunar phases?
Choice list: A. A
B. E
C. C
D. K
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which picture corresponds to the last medium phase of the moon?
Choice list: A. U
B. E
C. N
D. A
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents a new moon?
Choice list: A. C
B. N
C. F
D. A
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the phase of the moon after the new moon and the first quarter moon?
Choice list: A. U
B. A
C. C
D. E
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which picture shows the moon in total darkness (new moon)?
Choice list: A. K
B. W
C. E
D. F
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Where is earth?
Choice list: A. V
B. L
C. E
D. C
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the New Moon.
Choice list: A. M
B. E
C. K
D. N
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter identifies the Crescent Waxing in the diagram?
Choice list: A. T
B. E
C. V
D. N
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Where is the new moon?
Choice list: A. M
B. K
C. P
D. N
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which represents the new moon?
Choice list: A. T
B. E
C. M
D. K
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the Full Moon.
Choice list: A. V
B. A
C. K
D. D
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents the Full Moon?
Choice list: A. A
B. M
C. K
D. F
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter represents a solar eclipse?
Choice list: A. S
B. K
C. D
D. A
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the New Moon phase?
Choice list: A. S
B. M
C. R
D. U
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which Letter represents the “Waning Gibbous”?
Choice list: A. U
B. M
C. F
D. J
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which letter indicates the step after a full moon?
Choice list: A. U
B. V
C. J
D. F
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which moon phase happens after the new moon?
Choice list: A. T
B. J
C. U
D. F
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
By what letter is the waxing crescent represented in the diagram?
Choice list: A. U
B. H
C. D
D. A
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label indicates Waning Crescent?
Choice list: A. K
B. H
C. A
D. S
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What letter identifies the full moon?
Choice list: A. W
B. M
C. H
D. X
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label refers to the Full Moon?
Choice list: A. S
B. M
C. H
D. C
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
By what letter is the first quarter represented in the diagram?
Choice list: A. W
B. Y
C. E
D. K
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which label marks the new moon?
Choice list: A. H
B. X
C. W
D. A
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Where is the last quarter?
Choice list: A. A
B. E
C. H
D. S
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which is a waning gibbous?
Choice list: A. A
B. K
C. X
D. W
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What comes after the new moon?
Choice list: A. full moon
B. waning crescent
C. last quarter
D. waxing crescent
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase of the moon is it when all light is visible?
Choice list: A. New Moon
B. Waxing Cresent
C. Full Moon
D. Waning Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases does the moon have?
Choice list: A. 7
B. 5
C. 6
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are shown in the diagram?
Choice list: A. 8
B. 4
C. 1
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How long does it take for the moon to complete a cycle?
Choice list: A. 1 year
B. 29.5 days
C. 8 months
D. 8 days
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases are there?
Choice list: A. 8
B. 6
C. 7
D. 9
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
During what week does the full moon occur?
Choice list: A. Week 2
B. Week 5
C. Week 1
D. Week 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the moon called when it's on week 3 stage?
Choice list: A. Full
B. 1/4
C. New
D. 3/4
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases from the New Moon to Full?
Choice list: A. 7
B. 4
C. 2
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are there between the new moon and the full moon?
Choice list: A. 4
B. 3
C. 2
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
In how many weeks the moon reaches its full stage?
Choice list: A. 2 weeks
B. 3 weeks
C. 4 weeks
D. 1 week
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
In what week is there a new moon?
Choice list: A. Week 3
B. Week 1
C. Week 5
D. Week 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
In which phase is the moon fully visible?
Choice list: A. New moon
B. Full moon
C. Waxing half
D. Waning crescent
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
When you can only see the right half of the moon it is called a:
Choice list: A. Waxing half
B. A waning half
C. A waxing crecent
D. A new moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase of the moon comes right before the new moon?
Choice list: A. Waxing Crecent
B. Waning Gibbous
C. Waning Crecent
D. Full Moon
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases are there?
Choice list: A. 7
B. 2
C. 8
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are there?
Choice list: A. 7
B. 5
C. 8
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the first phase of the Moon when the Moon and the Sun have the same elliptical longitude?
Choice list: A. Waxing Gibbous
B. New Moon
C. Full Moon
D. Waxing Half
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the phase after new moon?
Choice list: A. waxing half
B. waxing crecent
C. full moon
D. waxing gibbous
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
When is the moon the least visible?
Choice list: A. Old moon
B. Young moon
C. New moon
D. Full moon
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which moon phase comes after young?
Choice list: A. waxing crescent
B. waning quarter
C. waxing gibbous
D. waxing quarter
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases does the Moon have?
Choice list: A. 10
B. 2
C. 5
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Is it possible to skip the Waxing crescent phase?
Choice list: A. Cannot answer from the given information
B. Yes
C. No
D. Sometimes
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the phase that comes after full moon?
Choice list: A. waning gibbous
B. waning quarter
C. old
D. young
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which stage is the first quarter?
Choice list: A. 7
B. 5
C. 1
D. 3
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase of the moon happens directly after a full moon?
Choice list: A. Waning gibbous
B. Waning crescent
C. New moon
D. Waxing gibbous
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which lunar phase comes after the first quarter?
Choice list: A. waking gibbous
B. new moon
C. last quarter
D. waning gibbous
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many times does the moon appear to be equally in darkness and in light?
Choice list: A. 2
B. 6
C. 4
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Can the waxing crescent phase of the moon be skipped?
Choice list: A. Cannot answer from the given information
B. Yes
C. Sometimes
D. No
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. first quarter
B. waxing gibbous
C. waning gibbous
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is between a Full Moon and a Last quarter moon?
Choice list: A. Waxing crescent
B. Waning gibbous
C. Wanning crescent
D. First quarter
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the moon phase after the waxing crescent
Choice list: A. new moon
B. waxing gibbous
C. first quarter
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What moon phase comes after last quarter?
Choice list: A. Waxing gibbous
B. First quarter
C. Waning crescent
D. waning gibbous
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which is the most fully lit phase of the moon in this diagram?
Choice list: A. Waxing gibbous
B. Full
C. Waning gibbous
D. First quarter
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many gibbous phases are depicted?
Choice list: A. 6
B. 1
C. 4
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes immediately before first quarter?
Choice list: A. waning crescent
B. waxing crescent
C. last quarter
D. new
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify the moon phase in which the whole side facing earth is lit.
Choice list: A. Full Moon
B. Waxing Crescent
C. New Moon
D. First Quarter Half
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the phase of the moon that is in between last quarter half and full moon?
Choice list: A. Waning Crescent
B. Waning Gibbous
C. Full moon
D. first quarter half
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are shown?
Choice list: A. 8
B. 7
C. 6
D. 5
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many stages of waxing moon are depicted?
Choice list: A. 4
B. 1
C. 3
D. 7
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing gibbous?
Choice list: A. waning gibbous
B. waning crescent
C. last quarter half
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which is a semicircular among these?
Choice list: A. Waxing Gibbous
B. Waning Crescent
C. Waxing Crescent
D. Full moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What does come immediately after full moon?
Choice list: A. Warning Crescent
B. Last Quarter
C. Waxing Gibbous
D. Waning Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is after Waning gibbous?
Choice list: A. New moon
B. Last quarter
C. Full moon
D. Waning crescent
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the moon phase after the new moon and before the first quarter?
Choice list: A. Waxing crescent
B. Last Quarter
C. Waning Gibbous
D. Full moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
During how many moon phases is half the moon's lit surface visible from earth?
Choice list: A. 8
B. 2
C. 1
D. 4
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase happens right after first quarter?
Choice list: A. last quarter
B. waxing gibbous
C. waning gibbous
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phases of the moon precede and follow the full moon?
Choice list: A. New
B. Crescent
C. Gibbous
D. Quarter
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase comes directly after the New Moon?
Choice list: A. Waxing crescent
B. Waning Gibbous
C. Full
D. 1st Quarter
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many stages are there in the moon's cycle?
Choice list: A. 4
B. 9
C. 7
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Observing the moon from the earth, what happens when the moon is directly behind the earth?
Choice list: A. 2nd quarter
B. full moon
C. 1st quarter
D. new moon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
When the whole side facing Earth is lit, which Moon phase do you see?
Choice list: A. New Moon
B. Quarter Moon
C. Gibbous Moon
D. Full moon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase of the moon comes after the full moon?
Choice list: A. Gibbous Moon
B. Regular Moon
C. Crescent Moon
D. Quarter Moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases show the moon at its fullest?
Choice list: A. four
B. three
C. two
D. one
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What happens when the Moon is less than half lit?
Choice list: A. Full moon forms.
B. Quarter moon forms.
C. Gibbous moon forms.
D. Crescent moon forms.
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes immediately after full moon?
Choice list: A. gibbous moon
B. new moon
C. crescent moon
D. quarter moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What stage of the moon is after the last quarter?
Choice list: A. New Moon
B. Waning Gibbous
C. Waning Crescent
D. Waxing Crescent
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
If only the right half of the moon is visible, what type of moon is this?
Choice list: A. Last Quarter
B. First Quarter
C. Waxing Crescent
D. Waxing Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which moon phase comes directly after the First Quarter?
Choice list: A. Full Moon
B. Waxing Crescent
C. Waning Gibbous
D. Waxing Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases are there?
Choice list: A. 7
B. 9
C. 10
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. waxing gibbous
B. full moon
C. first quarter
D. waning gibbous
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which is the phase of the moon that comes after full moon?
Choice list: A. waning crescent
B. first quarter
C. new moon
D. waxing crescent
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What comes after first quarter?
Choice list: A. waxing gibbous
B. new moon
C. full moon
D. waxing crescent
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which of the following is the opposite phase of a full moon?
Choice list: A. Waning Gibbous
B. Waxing Crescent
C. Waxing Gibbous
D. New Moon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
During how many phases is the entire lit surface of the moon visible?
Choice list: A. 2
B. 4
C. 1
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon occur?
Choice list: A. 4
B. 6
C. 8
D. 2
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. waxing gibbous
B. full moon
C. first quarter
D. waning crescent
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase of the moon comes after the first quarter?
Choice list: A. waxing crescent
B. full moon
C. new moon
D. waxing gibbous
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Identify which phase follows the Full Moon.
Choice list: A. Last Quarter
B. Waxing Gibbous
C. Waning Crescent
D. Waning Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing gibbous?
Choice list: A. Full moon
B. Last quarter
C. New moon
D. First quarter
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases are shown in this picture?
Choice list: A. 7
B. 5
C. 9
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What occurs after the waxing gibbous?
Choice list: A. last quarter
B. full moon
C. new moon
D. waning crescent
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. waning gibbous
B. first quarter
C. waxing gibbous
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What stage does the moon reach after the first quarter?
Choice list: A. waxing crescent
B. waxing gibbous
C. waning crescent
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which moon phase comes after the waxing crescent?
Choice list: A. New Moon
B. Full Moon
C. Waxing Gibbous
D. First Quarter
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many moon phases are there?
Choice list: A. 10
B. 5
C. 9
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What happens during full moon?
Choice list: A. The moon not illuminated.
B. The moon partially illuminated.
C. The moon brightly illuminated.
D. The moon slightly illuminated.
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. waxing gibbous
B. first quarter
C. waning gibbous
D. full moon
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What is the moon stage after the new moon?
Choice list: A. Waning Gibbous
B. Waxing Crescent
C. Waning Crescent
D. Waxing Gibbous
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
During a solar eclipse, what casts a shadow on the earth?
Choice list: A. the penumbra
B. the sun
C. the stars
D. The Moon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are shown?
Choice list: A. 5
B. 8
C. 7
D. 6
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many times does a new moon appear in the moon cycle?
Choice list: A. 2
B. 3
C. 4
D. 1
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waxing crescent?
Choice list: A. waxing gibbous
B. waning gibbous
C. full moon
D. first quarter
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What comes after the third quarter?
Choice list: A. Waning gibbous
B. First Quarter
C. Full
D. Waning Crescent
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase of the moon occurs after waning gibbous and before waning crescent?
Choice list: A. First quarter
B. Waxing crescent
C. Third quarter
D. Waxing gibbous
Answer with the option's letter from the given choices directly.

[Assistant] C


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases of the moon are shown in the picture?
Choice list: A. 6
B. 7
C. 9
D. 8
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
What phase comes after waning crescent?
Choice list: A. waxing crescent
B. waxing gibbous
C. first quarter
D. new moon
Answer with the option's letter from the given choices directly.

[Assistant] D


[User]
<image>
<image>
<image>
<image>
<image>
<image>
Which phase of the moon is most dimly lit?
Choice list: A. Waning Crescent
B. New Moon
C. Waxing Crescent
D. First Quarter
Answer with the option's letter from the given choices directly.

[Assistant] B


[User]
<image>
<image>
<image>
<image>
<image>
<image>
If the left half of the moon is visible, what is it called?
Choice list: A. Last Quarter
B. Full Moon
C. First Quarter
D. New Moon
Answer with the option's letter from the given choices directly.

[Assistant] A


[User]
<image>
<image>
<image>
<image>
<image>
<image>
How many phases is the moon in total darkness?
Choice list: A. none
B. one
C. eight
D. two
Answer with the option's letter from the given choices directly.

[Assistant] B