How would increased chlorofluorocarbons (cfcs) in the atmosphere affect the growth of vegetation throughout the world?

a. ultraviolet light will decrease on earth’s surface. it will lower temperatures and increase plant populations.
b. ultraviolet light will increase on earth’s surface. it will raise temperatures and decrease plant populations.
c. ultraviolet light will increase on earth’s surface. it will raise temperatures and increase plant populations.
d. ultraviolet light will decrease on earth’s surface. it will lower temperatures and decrease plant populations.