An example of a grad-school level question?
What happens when water flows over a rock for a long period of time?

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

Question I was asked: A hillside along a highway has exposed layers of undisturbed sedimentary rock. Which method would be best for scientists to use to determine the relative age of these sedimentary rock layers?

Random question?

The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment?

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Question generated: Which of the following is a characteristic of all chemical changes?

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

Answer: In animal skin tissue, cell division is responsible for

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

Answer:
Which will most likely happen to a solid substance that is heated?