I just took a test in school today. What question was I asked?

Question I was asked: Which two objects produce their own light?

Random question?

In some dry areas, large amounts of water have been pumped from underground sources where water has been naturally stored for thousands of years. If the water is not replaced, what type of land feature is most likely to result?

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Question generated: Species are classified based on their characteristics. Which characteristic identifies two organisms as members of one species? The organisms

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

Answer: How do producers get energy?

question: Write a question you would see in a school textbook. OPTIONS:
- gravity
- magnetism
- mechanical
- friction
answer: A student tosses a ball into the air. Which force causes the ball to fall back to the ground?

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Question generated:
Which of the following is an example of a container that is filled with a pure substance rather than with a mixture?