Question

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

(a) 50 %, 30 %, 10 % , and 10 % respectively 

(b) 60%, 20%, 14%, and 6% respectively 

(c) 40 %, 30%, 20% and 10% respectively 

 (d) None of the above

Answer 1

Correct option: (b) 60%, 20%, 14%, and 6% respectively

Explanation:

CO₂ is the largest contributor towards global warming, followed by methane, CFCs and N₂O.