The presence of the ozone layer in the upper atmosphere is important because it ______,
A. reduces the amount of acid rain and urban song
B. enhance the greenhouse effect
C. has led to sharp increase in all types skip cancer
D. absorbs harmful ultraviolet radiation
Answer:D
The presence of the ozone layer in the upper atmosphere is important because it ______,
A. reduces the amount of acid rain and urban song B. enhance the greenhouse effect C. has led to sharp increase in all types skip cancer D. absorbs harmful ultraviolet radiation