An example of a grad-school level question?
How are droughts always different from floods?

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

Question I was asked: In one area, a large source of prey for eagles is rabbits. If the number of rabbits suddenly decreases, what effect will it most likely have on the eagles?

Random question?

What is the best way for a marine scientist to determine the eating habits of sharks?

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Question generated: At what temperature does pure water boil?

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

Answer: Temperatures below freezing are expected overnight. What might be done to protect plants growing outside?

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

Answer:
Sodium bicarbonate (NaHCO_{3}) is commonly known as baking soda. Sodium bicarbonate is a white solid that can dissolve in water. Under the proper conditions, sodium bicarbonate can release carbon dioxide (CO_{2}) gas. Which of the following is not a physical property of sodium bicarbonate?