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Which of the following is not a greenhouse gas?1.Methane2. Nitrogen3. Sulphur dioxide4. Carbon dioxide
Clearly Nitrogen(2) is not a greenhouse gas.
What is a greenhouse gas?
A greenhouse gas is a gas that absorbs and emits radiant energy within the thermal infrared range i.e a gas which produces heat in atmosphere.
Examples of greenhouse gases are water vapor, carbon dioxide, methane, nitrous oxide, sulphur dioxide and ozone.
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