Which of the following options is NOT a greenhouse gas?
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A.
Carbon tetrachloride
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B.
Carbon dioxide
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C.
Methane
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D.
Nitrous oxide
Correct Answer:
A. Carbon tetrachloride
Explanation:
Common atmospheric gases such as nitrogen, oxygen, and argon are not greenhouse gases because their simple, symmetric molecular structures prevent them from absorbing infrared radiation or trapping heat. While gases like carbon dioxide, methane, and nitrous oxide contribute to the greenhouse effect by capturing thermal energy, nitrogen and oxygen make up the bulk of the atmosphere without influencing global warming. Other substances like sulfur dioxide are also excluded from this category because they primarily reflect sunlight and can have a cooling effect rather than a warming one.
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