What is relative contribution of $C O_{2}, C H_{4}$ , CFC and $N_{2} O$ to global warming?

20 %, 14 %, 60 %, 6 %

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14 %, 6 %, 20 %, 60 %

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60 %, 20 %, 14 %, 6 %

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6 %, 14 %, 20 %, 60 %

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20 %, 60 %, 14 %, 6 %

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Solution

The correct option is D $60 %, 20 %, 14 %, 6 %$
Global warming potential (GWP) is a measure of how much heat a greenhouse gas traps in the atmosphere up to a specific time horizon, relative to carbon dioxide. It compares the amount of heat trapped by a certain mass of the gas in question to the amount of heat trapped by a similar mass of carbon dioxide and is expressed as a factor of carbon dioxide an index of global warming potential for methane, carbon monoxide, nitrous oxide and CFCs relative to that of carbon dioxide. The major contribution is from CO $_{2}$ (60%),CH $_{4}$ (20%), CFC and N $_{2}$ O attributes to 14% and 6% respectively.
So the correct answer is '60%,20%,14%,6%'.

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Similar questions

Column I (Greenhouse gases)	Column II (Relative contribution to global warming)
1. $C O_{2}$	A. 20%
2. $C H_{4}$	B. 60%
3. $N_{2} O$	C. 14%
4. $C F C s$	D. 6%

{C O}_{2}, {C H}_{4}, {C F C}_{s}

N_{2} O

Marks	$0 - 10$	$10 - 20$	$20 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 90$	$90 - 100$
No. of students	$4$	$6$	$14$	$16$	$14$	$8$	$16$	$5$

Class-interval	0−20	20−30	30−40	40−60	60−100
Frequency	10	4	6	14	16

Class interval	$10 - 20$	$20 - 30$	$30 - 40$	$40 - 50$	$50 - 60$	$60 - 70$	$70 - 80$	$80 - 90$
Frequency	$4$	$6$	$8$	$10$	$12$	$14$	$7$	$5$

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