The Sun causes the ocean water to evaporate. The Sun creates water droplets in the clouds. The Sun forces water to drain back into the ocean. The Sun makes the clouds produce precipitation.
I gave my students this multiple choice question: How does the Sun most affect the water cycle?

Only one answer is correct among these 4 choices:
- The Sun causes the ocean water to evaporate.
- The Sun creates water droplets in the clouds.
- The Sun forces water to drain back into the ocean.
- The Sun makes the clouds produce precipitation.

Could you tell me which one is correct?

The Sun causes the ocean water to evaporate.