question: Write a question you would see in a school textbook.
answer: The formation of coal deposits occurred over millions of years. Which feature was most responsible for these deposits?

question: Write a question you would see in a school textbook.
answer: Which of the following would be most useful for calculating the density of a rock sample?

question: Write a question you would see in a school textbook.
answer:
Many scientists theorize that global warming will melt the polar ice caps. What would most likely happen if the polar ice caps melted?