Please answer the following question: Fact 1: Sweat wets the skin, and when it evaporates, it cools the body. Fact 2: Sweat is made of salt and water. Given the two facts above, answer the question "What wets the skin, and when it evaporates, cools the body?" with the following options: - acetic acid - salt and water - Chlorophyll - peachleaf willow - reducing acid rain - Heat energy - heat or cold - hydration
A:
salt and water