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

Answer: Earth's distance from the Sun helps the planet sustain life. If the Sun were larger, what would most likely also have to be true for Earth to sustain life?

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

Answer: Which results in a chemical change?

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

Answer:
Water evaporates and falls back to Earth as rain or snow. What is the primary energy source that drives this cycle?