Fact 1: Water vapor condensing in clouds causes rain.

Fact 2: If the cooling is sufficient, water vapor condenses into clouds.

Given the two facts above, answer the question "When water vapor is in clouds and it gets cooler, what happens?" with the following options: 
- It's dark
 - flooding
 - Heat energy
 - Tornadoes
 - The sun shines
 - It rains
 - evaporation
 - Tropical


 

      It rains   