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

Answer: How does an ecosystem benefit when leaves fall from a tree and decompose on the soil?

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

Answer: Which of these provides the best evidence that the distribution of Earth's oceans has changed over time?

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

Answer:
Which of these would best help a scientist discover a new planet?