Sweat wets the skin, and when it evaporates, it cools the body, and fig 4-23 sweat contains water, salt, lactic acid, vit. Given these facts, what cools the body among the following options:
- evaporation
 - Putting heat on it
 - Movement of an air mass
 - Starting a fire
 - Evaporation of alcohol
 - Evaporation of water
 - vaporization
 - reduced heat


 

      Evaporation of water   