Name two important processes supported by oxygen present in air.

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Solution

The two important processes supported by oxygen present in the air are:
1. Combustion:
It is the scientific word for burning. In a combustion reaction, a substance reacts with oxygen from the air.
A combustion reaction occurs at high temperatures and transfers energy to the surroundings as light and heat.
2. Respiration:
Respiration is defined as the biochemical process wherein the living cells of an organism produce energy by taking in oxygen and liberating carbon dioxide from the oxidation of complex organic substances.
In this process, ATP is produced by the breakdown of glucose which is further used by cells to perform various functions.
$C_{6} H_{12} O_{6} (s) + 6 O_{2} \overset{}{(g) \to} 6 {CO}_{2} (g) + 6 H_{2} O (l) + ATP$

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