Social Sciences, asked by Anonymous, 3 days ago

which one of the following gases has the highest concentration in the air? ​

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Answered by Anonymous
3

Answer:

The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas Argon (Ar) is the third most abundant gas at .

Answered by akashkmrbhr
2

Answer:

I think carbon monoxide

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