Question : Which of the following is not a greenhouse gas?
Option 1: Nitrogen
Option 2: Methane
Option 3: Carbon dioxide
Option 4: Nitrous oxide
Correct Answer: Nitrogen
Solution : The correct option is nitrogen .
Nitrogen is not a greenhouse gas. While carbon dioxide (CO 2 ), methane (CH 4 ) and nitrous oxide (N 2 O) are greenhouse gases, nitrogen (N 2 ) is inert and does not significantly contribute to the greenhouse effect. Greenhouse gases trap heat in the Earth's atmosphere, leading to global warming and climate change.
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