Air is mostly gas
So what is air, exactly? It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen . Air also has small amounts of other gases, too, such as carbon dioxide, neon, and hydrogen. Sep 12, 2016
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Air is a mixture of naturally occurring gases and human-made air pollutants. Learn more about these gases and the role they play in our atmosphere.
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When something's in the air, it seems to be everywhere: everyone's thinking and talking about it. You could say, for example, that romance is in the air on ...
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In the air definition: If something is in the air it is felt to be present, but it is not talked about. | Meaning, pronunciation, translations and examples.
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5 days ago · Air is the invisible mixture of gases that surrounds Earth. Air contains important substances, such as oxygen and nitrogen, that most species ...
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If something is in the air, you feel that it is happening or about to happen: With these elections, it feels like change is in the air. The sun was shining and ...
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Definition of SOMETHING IS IN THE AIR (phrase): people all feel something similar.
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In circulation, in people's thoughts. For example, There's a rumor in the air that they're closing, or Christmas is in the air. [Second half of ...
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Apr 4, 2022 · The primary component of air is nitrogen gas. · Nitrogen, oxygen, water vapor, argon, and carbon dioxide account for about 99% of the composition ...
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Molecules in the air include primarily nitrogen and oxygen as well as water, carbon dioxide, ozone, and many other compounds in trace amounts, some created ...
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air · 1. Of or relating to the air or the movement of air: an air tube. · 2. Existing or living in the air; aerial. · 3. Powered by compressed air: an air horn. · 4 ...
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Duration: 5:23 Posted: May 10, 2021 VIDEO
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Jun 22, 2021 · Air Pollution: Everything You Need to Know. Español. How smog, soot, greenhouse gases, and other top air pollutants are affecting the planet—and ...
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