Answer:
<u>D) he should perform rehabilitation exercises</u>
Explanation:
If Bert goes on vacation and misses regular exercise for three weeks, he should perform rehabilitation exercises.
<h3>Hope it is helpful....</h3>
Answer:
B
Explanation:
B is correct as medicine is a drug used to treat illness and discomfort.
<span>Why are phytoplankton are essential ??
As they form the basis of the marine food chain. <span>Phytoplankton is the main food source for everything from microscopic organisms to whales.</span></span>
Destroying germs and fighting against infection and disease