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Photosynthesis produces O2 and Glucose which the plant equivalent of human defecation.Photosynthesis is the conversion of sunlight into ATP. ATP is used and burned inside the plan. What's is left is the unusable parts of the process which is converted to O2 and Glucose and released from the plant. We in turn breath in the O2 and exchange it for CO2, which the plant need for photosynthesis.

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10y ago

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