Question

how do plants and animals maintain the balance of oxygen and carbon dioxide in the nature?

Answer 1

They maintain the balance of oxygen and carbon dioxide because plant inhale carbon dioxide whereas animal inhale oxygen from tne natur

Answer 2

plants need CO2 for the process of photosynthesis and exhale oxygen which is inhaled by animals and humans. So, by this they maintain the amount of CO2 and oxygen in nature.

hope it helps