The ‘Green House effect’ is produced due to the presence of excess amount of
A
Sulphur dioxide
B
Nitrogen dioxide
C
Carbon monoxide
D
Methane
Correct Answer: Methane
By their percentage contribution to the greenhouse effect on Earth the four major gases are: Water vapour (36-70%), Carbon dioxide (9-26%), Methane (4-9%) and Ozone (3-7%).