Its an example of Drug abuse
Medical doctors have the power to keep the society healthy or not-they can save lives. Without medical doctors, the death rate would be much higher then it is today. People would die younger as well.
Hope this helps!
Answer:
I think A
Explanation:
Cells are made mostly of water.
4 x 21 = 84
80 + 4 is your answer (expanded form)
hope this helps