question: Write a question you would see in a school textbook.
answer: Plants in a forest need to obtain nutrients from the soil to survive. How do most of the nutrients get back in the soil once the forest plants have used them for growth?

question: Write a question you would see in a school textbook.
answer: What happens when water flows over a rock for a long period of time?

question: Write a question you would see in a school textbook.
answer:
Which best explains how the Appalachian Mountains formed?