Answer: c
Explanation: He will build up his cardiovascular endurance
Answer: Manipulation of the Independent Variable
Again, to manipulate an independent variable means to change its level systematically so that different groups of participants are exposed to different levels of that variable, or the same group of participants is exposed to different levels at different times.
Explanation: hopes this helps and if u need any more help just let me know and i will help u.
1. True
2. False
3. False, not 100% sure though
4. True
5. False, that is the one thing they are seriously worried about.
I really hope this helps, and you should most definitely try this on your own, and not depend on someone else's brains to do it for you. But anyway good luck on your test