Which ratio is CLOSEST to the ratio volume of nitrogen : volume of oxygen in the air?
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4:8....................
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Answer:
D) 4:1
Explanation:
Nitrogen and oxygen have a vital role in a living organisms. Nitrogen used to make protein and oxygen used as the main energy source. The atmosphere of earth is mainly composed of nitrogen, a good portion of oxygen, and a small chunk of argon. The estimated value is about 78% nitrogen, 20.9% oxygen, 0.9% argon and 0.2% other gas. Even carbon dioxide only made 0.04% of the atmosphere. The ratio for the gas will be=
volume of nitrogen : volume of oxygen
78%:20.9%
The closest answer to 3.7:1 will be 4:1
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