Which of the following options is NOT a greenhouse gas?
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A.
Methane
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B.
Carbon tetrachloride
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C.
Nitrous oxide
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D.
Carbon dioxide
Correct Answer:
B. Carbon tetrachloride
Explanation:
The correct answer is Carbon tetrachloride. Among the options provided, carbon tetrachloride is not classified as a greenhouse gas because it does not significantly contribute to the greenhouse effect by trapping heat in the atmosphere. In contrast, methane, nitrous oxide, and carbon dioxide are well-known greenhouse gases that absorb infrared radiation, leading to global warming. While carbon tetrachloride is an ozone-depleting substance, its primary environmental impact is the thinning of the ozone layer rather than direct atmospheric warming.
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