They cool the land surface. They carry acids into the soil. They bring freshwater to land organisms. They build up mountains.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Clouds bring rain and snow to Earth's surface. How do rain and snow most support life on Earth?
Possibilities:
- They cool the land surface.
- They carry acids into the soil.
- They bring freshwater to land organisms.
- They build up mountains.

They bring freshwater to land organisms.