Is there anyone who can solve it? Pls solve it for me
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the answer is in your textbook
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1.Gases in Earth's Atmosphere
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 theatmosphere's mixture of gases.
I KNOW ONLY ONE AND TWO YOU READ IN TEXTBOOK AND SOLVE .
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