Why is a recovery period between bouts of exercise important?

select one:
a. recovery periods reduce muscle performance.
b. resting between workouts to prevent injuries.
c. recovery periods stimulate metabolism.
d. resting enhances muscle soreness and fatigue.

blue light is scattered in different directions by the tiny molecules of air. blue is scattered more than other colours because it has a shorter distance to travel which results in smaller waves. this is why we see a blue sky most of the time.

its lower due to the doppler effect.: apex