Question

Inspite of breathing out carbon dioxide in large amount and released by combustion the atmosphere has mere fraction of co2 only why

Answer 1

This is because there is a huge amount of plant diversity in the planet as compared to animals.

Plants use the Co2 produced by the animals to synthesise their food (glucose) and release O2 .

This is the reason why a little fraction of Co2 is present in the atmosphere as compared to O2 and other gases.

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