You are presented with the question "How does sweating cool the body?" and the following answer choices: 
- Riding a bike
 - all liquids
 - layers of fat
 - staying warm
 - evaporation
 - Animal survival
 - matter vibrating
 - hydration

Now knowing that sweating reduces body heat and sweat cools the body by evaporation, which removes heat from the body surface, choose the best answer.


 

     evaporation    