Question

Relative contributions of CO₂, CH₄, CFCs and N₂O towards global warming are: 

I. 50 %, 30 %, 10 % , and 10 % respectively 

II. 60%, 20%, 14%, and 6% respectively 

III. 40 %, 30%, 20% and 10% respectively 

IV. None of the above 

(a) Only II (b) Only III (c) Only I (d) None of the above

Answer 1

(a) CO₂ is largest contributor towards global warming.