Social Sciences, asked by ramakrishnaburagana, 3 months ago

the percentage of oxygen in atmosphere

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Answered by Anonymous

Answer:

21 percent

The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen

Answered by shivam9931179543

Answer:

20.9 %

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the percentage of oxygen in atmosphere​

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the percentage of oxygen in atmosphere