Answer:
2
Explanation:
Humans need proteins, fatty acids, vitamins, and minerals
It is important that your heart goes back to resting level because if it doesn't , it might overwork itself and destroy itself.<span />
A observation and hypothesis
1. <span>Rain occurs when water vapor condenses
</span><span>2. The best term to use to describe turning from a liquid to a gas is </span><span>vaporization
</span><span>3. When you add heat energy to a liquid it turns into a gas</span>