Sweat wets the skin, and when it evaporates, it cools the body. Perspiration There are about 2 million sweat glands in the average human body. Perspiration wets the skin, and when it evaporates, it cools the body.
This justifies what answer for what question? Q & A: 
What wets the skin, and when it evaporates, it cools the body?
Options:
- (A) heat energy
- (B) acetic acid
- (C) Air conditioner
- (D) salt and water.
- (E) Skin oil
- (F) water vapor
- (G) Perspiration
- (H) A towel
(G)