The first one is b
Question 10 is Heart rate
Question 12 is perimeter
Thats all i know sorry
Injury Prevention, sorry I just saw this question.
"Pacemaker" is the one choice among the following choices given in the question that is the treatment that can also regulate heart rhythmsthat has replaced drugs in some cases. The correct option among all the options that are given in the question is the first option or option "A". I hope it helps you.
If the pitcher holding the ball that mean if it doesn't have any motion so it has Potential energy in that case.
But in other case if the pitcher throwing or catching the ball it means the ball have motion so it has Kinetic energy.
