Q. CFCs remain in the atmosphere for how many years?
A. More than 1000 years
B. less than 1000 years
C. 60 years
D. 100 years
Answer: More than 1000 years
A. More than 1000 years
B. less than 1000 years
C. 60 years
D. 100 years
Answer: More than 1000 years