presenting of oxygen present in the air
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Volume of air = 5× Volume of oxygen
The amount of oxygen in atmosphere is about 21%
Nitrogen is 78% and the rest 1% is other gases
The amount of oxygen in atmosphere is about 21%
Nitrogen is 78% and the rest 1% is other gases
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the fact that we are breathing and alive is sufficient enough proof of the presence of Oxygen in the air.
The atmosphere contains 21% Oxygen.
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