Question:
Which greenhouse gas has very high heat-trapping ability per molecule, but is present in the smallest amount in the atmosphere?
Which greenhouse gas has very high heat-trapping ability per molecule, but is present in the smallest amount in the atmosphere?
Show Hint
Relative heat-trapping ability (Global Warming Potential):
\[
\boxed{
\text{CFCs}
\gt
\text{N}_2\text{O}
\gt
\text{CH}_4
\gt
\text{CO}_2
}
\]
CFCs have very high GWP despite their low atmospheric concentration.
Updated On: Jul 23, 2026
- Carbon dioxide
- Methane
- Nitrous oxide
- Chlorofluorocarbons
Show Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Chlorofluorocarbons (CFCs) are present in extremely low concentrations in the atmosphere but possess a very high Global Warming Potential (GWP), making them highly effective at trapping heat.
Hence,
\[
\boxed{\text{Chlorofluorocarbons}}
\]
is the correct answer.
Therefore,
\[
\boxed{(D)}
\]
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