Sweat wets the skin, and when it evaporates, it cools the body, and sweat is released from sweat glands beneath the skin, and as it evaporates, the skin is cooled. Given these facts, what cools the skin among the following options:
- humidity
 - temperature
 - condensation
 - Solar energy
 - evaporation
 - vaporization
 - layers of fat
 - water vapor


 

     evaporation    