Answer:
it all depends truly as you say because
Explanation:
A=eating too much junk food can effect our health.
B=not exercising also harms us and make us lazy and unhealthy.
C=not wearing sit belt in car can create accident.
D=smoking not only harms you that effect air environment and creates deaseas like lung cancers etc.
"hope it helps you "but in my view D no is right
Ultra Violet rays or UV's cause the skin to burn in the sun.
I would say Push up's for your answer because of balance.
