Q. The two gases making highest relative contribution to the greenhouse gases are
A) CO₂ and N₂O
B) CO₂ and CH₄
C) CH₄ and N₂O
D) CFCs and N₂O
Explanation
[Solution from source] The old NCERT figure puts the relative contribution to global warming at about 60% for CO₂, 20% for CH₄, 14% for CFCs and 6% for N₂O. So CO₂ and methane together contribute the most. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.