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Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is​
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Air is a mixture of various gases. One of the gases is 21% part of the air and is essential for the survival of human beings. This gas is​

User Mulgard
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3.5k points

2 Answers

10 votes

Answer:

oxygen

Step-by-step explanation:

Nitrogen is 78%

oxygen is 21%

carbon dioxide is 0.02%

and water vapour and sometime Noble gas varies

User Mario Inostroza
by
4.0k points
4 votes

Answer:

Oxygen

Step-by-step explanation:

Oxygen is 21% of the gases that make up our air

User Tejoprabowo
by
3.4k points
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