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  • Green plants use carbon dioxide for photosynthesis and return oxygen to the atmosphere, even then carbon dioxide is considered to be responsible for greenhouse effect. Explain why?

Green plants use carbon dioxide for photosynthesis and return oxygen to the atmosphere, even then carbon dioxide is considered to be responsible for greenhouse effect. Explain why?

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CO_{2} increases global warming. It is produced by the burning of fossil fuels; however, plants consume CO_{2} for photosynthesis and in turn, emit oxygen, hence reduce global warming.

CO_{2} is confined to troposphere only and forms about 0.03% by volume in the atmosphere.

But as we know, deforestation and burning of fossil fuels is increasing CO_{2}­ and, hence increasing global warming.

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