A.Caused by CO2 only
B.Caused by CH4, SO2, NO2 gases
C.Caused by those gases which absorb the infra-red light reflecting from earth
D.Caused by combination of many gases
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B.Caused by CH4, SO2, NO2 gases
C.Caused by those gases which absorb the infra-red light reflecting from earth
D.Caused by combination of many gases
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