Which of the following causes an increase in the intensity of UV radiation on Earth?
a. depletion of atomospheric ozone
b. turnover
c. biological magnification
d. greenhouse effect
e. eutrophication
Answer: a
Which of the following causes an increase in the intensity of UV radiation on Earth?
a. depletion of atomospheric ozone
b. turnover
c. biological magnification
d. greenhouse effect
e. eutrophication
Answer: a