Answer:
D. Sweat evaporates from your skin
Explanation:
A physical change is a reversible process, no new substance is formed. A physical change does not affect the chemical composition of a substance.
Sweat evaporation from the skin is a physical change, because the change that occur is merely a change of state, Liquid to Gaseous state, no new substance is formed.
A hydrogen atom forms one bond, an oxygen atom forms two, and carbon forms four bonds.
Answer: True
Explanation: To be honest, I guessed. But, it looks right to me. If you don't trust it, you should wait for someone else to answer. Sorry! :(
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