Question

Describe the processses of maintaining a balanced of oxygen?

Answer 1

Answer:

Respiration and combustion are the processes which maintain the balance between oxygen and CO2 in the air. Respiration : Respiration is a chemical process that takes place in all living beings. ... During the process of burning, along with energy, carbon dioxide and water vapour are also produced.

Explanation:

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Answer 2

Answer:

Respiration and combustion are the processes which maintain the balance between oxygen and CO2 in the air. ... In this process, oxygen present in the inhaled air reacts with the digested food material in the body. This results in the release of energy, carbon dioxide and water.