Which are the most abundant gases in the atmosphere? in briefly answer
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Explanation:
The most abundant gas in the Earth's atmosphere is nitrogen. The second most abundant gas is oxygen.
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Nitrogen and oxygen are by far the most common; dry air is composed of about 78% nitrogen (N2) and about 21% oxygen (O2). Argon, carbon dioxide (CO2), and many other gases are also present in much lower amounts; each makes up less than 1% of the atmosphere's mixture of gases.
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