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प्रश्न
Name the processes which maintain the balance between oxygen and carbon dioxide in the air. How is it done?
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उत्तर
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. 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.
- Combustion: Burning or combustion is a process in which a substance reacts chemically with oxygen and gets oxidised, with the release of energy in the form of heat and light. It is a fast process. During the process of burning, along with energy, carbon dioxide, and water vapour are also produced.
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