Which one of the following is the correct percentage of the two (out of the total of 4) green house gases that contribute to the total global warming?
(1) Methane 20%, N2O 18%
(2) CFCs14%, Methane 20%
(3) CO2 40%, CFSs 30%
(4) N2O 6%, CO2 86%
Sol. Answer (2)
CFC 14%, methane 20% : For CO2 it is 60% and for N2O it is 6%