Science, asked by ks854092, 1 month ago

teacher told the students in class that air is mixture of gasses. can you tell which gas by volume is 21%of mixture?
(1) Oxygen
(2) nitrogen
(3) carbon dioxide
(4) carbon monoxide

Answers

Answered by shamilhaniy123

2

Answer:

Oxygen

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Answered by velpulaaneesh123

11

Answer:

21 percent Is oxygen

Explanation:

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.

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