Science, asked by pankajkumarsah900, 25 days ago

with the help of a suitable experiment show that (a)Air is present everywhere (b)Oxygen is one by fifth of the air

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Answered by jhas75070

5

Answer:

and 21 percent oxygen. Air also has small amounts of lots of other gases, too, such as carbon dioxide, neon, and hydrogen.12-Sep-2016

climate.nasa.gov › news › 10-interes...

10 interesting things about air – Climate Change: Vital Signs of the ...

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