Fact 1: The vanes rotating in an electric fan causes air to move.

Fact 2: Air molecules move slowly when they are cool.

Given the two facts above, answer the question "Vanes rotating in an electric fan causes air molecules to what?" with the following options: 
- cool
 - heat
 - Slow.
 - slow
 - fly
 - Move
 - expand
 - motion


 

 cool        