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Beans and coal both have stored energy. Where did the energy come from that is stored in beans and coal?

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Question generated: The periodic table of the elements is systematically organized according to the

Problem: Write a question you would see in a school textbook.

Answer: Scientists compared Pluto with other objects in the solar system and found that Pluto is smaller than Earth's moon. This finding caused scientists to question whether Pluto is a planet because

question: Write a question you would see in a school textbook. OPTIONS:
- thermosphere
- mesosphere
- stratosphere
- troposphere
answer: Which layer of the atmosphere contains the greatest amount of water vapor?

An example of a grad-school level question?
One way to protect against food poisoning is to

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A characteristic that all living organisms have in common is they