We need to plant more trees because trees absorb from the air, and release .

nitrogen

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oxygen

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carbon dioxide

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argon

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Solution

The correct options are
B oxygen
C carbon dioxide
Plants absorb carbon dioxide during photosynthesis and release oxygen. Plants too breathe like we do, but their rate of respiration is very low in comparison to photosynthesis. As animals need oxygen to breathe, we need plants and trees as oxygen producers.
Hence, we should plant more and more trees.

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Q. We need to plant more trees because trees absorb carbon dioxide from the air, and release oxygen.

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Plants use CO₂ for photosynthesis during the day . But at night , they also respire ,i.e.,take in O₂ and release CO₂ into the air . This doesn't help much in the reduction of CO₂ . Then why do people ask to plant more trees ? Is there a more effective method to reduce CO₂ in the air ?

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