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प्रश्न
Tick (√) the correct alternative from the choice given for the following statement.
Which of the following is not a greenhouse gas?
विकल्प
carbon dioxide
sulphur dioxide
methane
nitrogen
MCQ
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उत्तर
nitrogen
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| (b) Acid rain | 2. Manganese dioxide |
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| (e) Photosynthesis | 5. Nitrogen Dioxide |
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