An example of a grad-school level question?
The formation of coal deposits occurred over millions of years. Which feature was most responsible for these deposits?

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

Question I was asked: In your body, what two organs work together to make sure that oxygen gets to all the other organs of your body?

Random question?

Which of these describes a chemical change?

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Question generated: Which part of a DNA molecule represents encoded information?

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

Answer: Which of these features of Earth's crust are caused by the shifting of tectonic plates?

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

Answer:
Planting legumes in order to add nitrogen to soil most likely causes