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

Fact 2: Fans move air, providing a cooling breeze.

Given the two facts above, answer the question "What in an electric fan provides a cooling breeze?" with the following options: 
- kinetic energy
 - metal face
 - heat energy
 - activation energy
 - Solar energy
 - plastic buttons
 - vanes rotating
 - electric cord


 

       vanes rotating  