Question

Which is the most abundant gas in the earth's atmosphere?​

Answer 1

hi mate

Nitrogen is the most abundant gas.

It constitutes about 78% of total gases.

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Answer 2

Answer:

carbon dioxide

Explanation:

By far the predominant gas is carbon dioxide, making up 95.9 percent of the atmosphere's volume. The next four most abundant gases are argon, nitrogen, oxygen and carbon monoxide.