Question

how do plants and animals keep a balance of oxygen and carbondioxide levels in air? ​

Answer 1

Answer:

The balance of oxygen and carbondioxide is maintained in the atmosphere by the oxygen released by plants during photosynthesis and carbondioxide released by human,animals etc. ... The balance of oxygen and carbondioxide is made due to respreration and photosinthesis.

Answer 2

Answer:

how do plants and animals keep a balance of oxygen and carbondioxide levels in air?

The balance of oxygen and carbondioxide is maintained in the atmosphere by the oxygen released by plants during photosynthesis and carbondioxide released by human,animals etc. ... The balance of oxygen and carbondioxide is made due to respreration and photosinthesis.