Fact 1: Evaporation of sweat uses energy, and the energy comes from body heat.

Fact 2: Kinetic energy comes from heat.

Given the two facts above, answer the question "Evaporation of sweat uses what from the body?" with the following options: 
- expelled
 - Positive charges
 - all liquids
 - properties
 - Something to move
 - water vapor
 - kinetic energy
 - Cooling vapors


 

       kinetic energy  