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

Answer: What is the composition of the nucleus of an atom?

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

Answer: What is the main source of energy that causes water to evaporate from the surface of Earth?

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

Answer:
How far from Earth is an object that is 10 light years from Earth?