A CO2: 49%, CFC: 14%, CH4: 18%, N2O: 6%, Others: 13%
B CO2:50%, CFC:13%, CH4:20%, N2O:8%, Others:9%
C CO2:60%, CFC:3%, CH4:10%, N2O:18%, Others:9%
D None of these
Correct Answer: Option A
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