What Is the Most Abundant Gas in the Air?


The most abundant gas in the air is nitrogen. Although we breathe oxygen, it is only the second most abundant gas in the air. Other gases are carbon dioxide and hydrogen.
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Ask.com Answer for: what is the most abundant gas in the air
Earth's atmosphere is made up of five layers: the troposphere, stratosphere, mesosphere, thermosphere and exosphere.
The atmosphere itself is primarily composed of three major atmospheric gases: nitrogen (78%), oxygen (20.9%) and argon (.93%). The remaining gases are referred to as trace gases.
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