Sweat wets the skin, and when it evaporates, it cools the body, and evaporation is when a liquid turns into a gas. Given these facts, sweat cools the body when it among the following options:
- Movement of an air mass
 - dry conditions
 - heat produced
 - Decreased precipitation
 - hydration
 - It expands
 - the environment
 - turns into a gas


 

        turns into a gas 