Which of the following options is NOT a greenhouse gas?
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A.
Methane
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B.
Nitrous oxide
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C.
Carbon dioxide
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D.
Carbon tetrachloride
Correct Answer:
D. Carbon tetrachloride
Explanation:
Carbon tetrachloride is the correct answer because it is primarily recognized as an ozone-depleting substance rather than a major greenhouse gas. While it possesses some global warming potential, its atmospheric impact and concentration are significantly lower compared to primary greenhouse gases like carbon dioxide, methane, and nitrous oxide. These three gases are the main drivers of the greenhouse effect as they effectively trap infrared radiation in the Earth's atmosphere. Carbon tetrachloride's production and use have also been strictly limited under international agreements like the Montreal Protocol due to its harmful effects on the ozone layer.
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