Why Would a Decrease in the Density of the Ozone

Multiple Choice

Why would a decrease in the density of the ozone layer create a public health concern?

A) The greenhouse effect would not be as efficient and the temperature of the Earth would fall.
B) The greenhouse effect would be more efficient and the temperature of the Earth would rise.
C) Plant life would no longer have the ozone it needs for photosynthesis to create chlorophyll.
D) Additional ultraviolet radiation from the Sun would reach the surface of the Earth.