Fact 1: Clouds are formed by water vapor rising into colder regions of the atmosphere and condensing.

Fact 2: Eventually, the drops fall out of the cloud in the form of rain.

Given the two facts above, answer the question "What sometimes falls as rain?" with the following options: 
- Water vapor
 - Winter
 - trees
 - Metling snow
 - earth
 - soil
 - flooding
 - streams.


 

 Water vapor        