Question

Multiple Choice Questions
Which one is correct percentage of green house gases

• A. Methane - $20\%$, $N_{2}O$- $18\%$
• B. CFCs -$14\%$, Methane - $20\%$
• C. $C{O}_2$ - $40\%$, CFCs -$30\%$
• D. $N_{2}O$ - $6\%.$ $C{O}_2$ - $86\%$

Answer 1

The correct option is B CFCs -$14\%$, Methane - $20\%$

Relative concentration of various greenhouse gases in the atmosphere is as: CO${}_2$ (60%), CH${}_4$ (20%), CFCs (14%) and N${}_2$O (6%).

So, the correct answer is CFCs-14%, Methane 20%.