I would thing that the answer is A
The warm-up period before a workout allows the persons muscles to stretch out, and work up to the more intense workout, without hurting, tearing, or injuring. It increases heart rate, which loosens up joints, and increases blood flow to muscles, all which prevents the person from getting hurt.
Answer:
7. False
8. False
9. True
10. True
11. False
12. False
*I know it looks like I just guessed the answers but I didn't I promise
Answer:
Please be more specific, what do you mean by races? and are you trying to solve an equation?
Explanation:
Try and talk to him about it or get an adult and let them know you are concerned?