Answer:
red giant
Explanation:
For a low mass star, the hydrogen fuel is exhausted and the star begins to fuse helium. When this happens the star expands into a red giant
Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
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Answer:
The main purpose and benefit of warm up exercises is to slowly increase your heart rate. This increase in heart rate helps to raise your body temperature and to increase the blood flow to your muscles.
Explanation:
I used the squat rack at the gym to lift 20 pounds on each side while getting spotted and using proper body mechanics.
