The two gases making highest relative contribution to the greenhouse gases are
A. CO2 and CH4
B. CH4 and N2O
C. CFCs and N2O
D. CO2 and N2
Answer:A
The two gases making highest relative contribution to the greenhouse gases are
A. CO2 and CH4 B. CH4 and N2O C. CFCs and N2O D. CO2 and N2