The factor responsible for the depletion of the ozone layer is _________
A. excessive use of automobiles.
B. excessive use of man-made compounds containing both fluorine and chlorine.
C. excessive formation of industrial units.
D. All of the above
Answer:B
The factor responsible for the depletion of the ozone layer is _________
A. excessive use of automobiles. B. excessive use of man-made compounds containing both fluorine and chlorine. C. excessive formation of industrial units. D. All of the above