Which sentence best summarizes the main idea of the article?

A.
You can do an experiment with a baggie, cup, water, food color, and a marker.

B.
When the water in a cloud falls as precipitation, it may fall on land or water.

C.
In the water cycle, water evaporates, condenses, and falls as precipitation.

D.
Water is about 71% of Earth’s surface and needed by plants and animals.

(Also I'm sorry my computer doesn't upload photos.)