question: Each student in Ms. Jordan's science class was given a beaker containing several substances that had been stirred thoroughly. Maxwell must classify the contents of his beaker as either a compound or a mixture. Which of the following would indicate that the beaker contains a mixture?
choices.text: The original substances had different densities. The contents of the beaker reacted to form a new substance. The original substances had a greater mass than the contents of the beaker. The contents of the beaker can be easily separated into the original substances.
choices.label: A B C D