Answer:
Both A and B, because if you have bad posture you will have weaker bones which can make you get hurt easier plus weaker bones will not be safe especially if you got in a car wreck.
Lower in sedentary people than in those who are physically active
Answer:
depends on what training you have had in CPR-
used to be, you did 30 compressions, then 2 breaths, then repeat.
now, many trainings have eliminated the rescue breaths and just do compressions.
either way, you continue until EMT arrives or you are too exhausted to continue.
Answer:
You have to do them. We can't do them for you. They are excercises.
Explanation:
