Question

how do plants help a balance between oxygen and carbon dioxide in the air?​

Answer 1

Answer:

during photosynthesis plants take in carbon dioxide and give out oxygen. but at night they also use oxygen and give out carbon dioxide during respiration like us but they use very less oxygen and give out very less carbon dioxide. so they balance the oxygen and carbon dioxide cycle in this way........

Answer 2

Answer:

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Explanation:

The balance of oxygen and carbon dioxide is maintained in the atmosphere by the oxygen released by plants during photosynthesis and carbon dioxide released by human,animals etc. in the atmosphere. The balance of oxygen and carbon dioxide is made due to respiration and photosynthesis