1. I don't quite know
2. True
3. False
4. False
Answer: with a paper document
Explanation:
hello the answer is B. intensity It reflects how difficult an exercise is for a certain person to complete and the amount of oxygen the body uses to do an exercise and the amount of calories burned while doing the activity. The higher the intensity, the harder the activity, the higher the heart rate, and the more burned calories hope this helps!!!
Answer:
the cell's structure is based on what kind of function it's supposed to do.
Explanation: