Ques. Which one of the following pairs of gases are the major cause of “greenhouse effect”?
A. CO2 and O3
B. CO2 and CO
C. CFCs and SO2
D. CO2 and N2O
Answer:D
Ques. Which one of the following pairs of gases are the major cause of “greenhouse effect”?
A. CO2 and O3 B. CO2 and CO C. CFCs and SO2 D. CO2 and N2O