It tell us the minimum heart rate for cardiovascular exercises
It shows us the heart rate that we need to achieve in order for our body to increase its metabolism above normal state, which resulted in increased calories burning.
The answer is: 13) B 14) C 15) A
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Your answer of your question is,
Explanation:
Environment
1.) by being straight forward yet not rude
2.) using clear words in your sentences that arent on the edge of what you mean
3. ) be precise about what you mean
