Which gas in the atmosphere is essential for respiration?
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Answer:
Oxygen.
Explanation:
The most important gas in the atmosphere is oxygen which is the necessary gas for the living. Oxygen is the gas which is present in the atmosphere is approximately about 21 percentage.
So, being so less and required so high in weightage even sometimes creates problem for the humans to live in and may create problem since the reckless cutting of trees is a growing problem for the nature.
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