Q. Which one of the following is the correct percentage of the two(out of the total of four) green house gases that contribute to the total global warming?
A) $CFCs$ 14%, $CH_{4}\$20%
B) $CO_{2}$40%, $CFCs\$30%
C) $N_{2}O\$6%,$\ CO_{2}\$86%
D) $CH_{4}\ 20\%,$ $N_{2}O\ 18\%$
Explanation
The various green house gases are $CO_{2}$(warming effect 60%), $CH_{4}$(20%), $CFC_{s}$(14%) and nitrous oxide $N_{2}O$(6%).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.