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

Fact 2: Condensation releases energy into atmosphere.

Given the two facts above, answer the question "Clouds are formed when water vapor releases what into the atmosphere?" with the following options: 
- Decibels
 - matter
 - tiny
 - sunlight
 - rain
 - glycogen
 - a solute
 - energy


 

        energy 