What Gases Are in the Air We Breathe?


The gases that make up the air we breathe include Nitrogen, Oxygen, Argon, Carbon dioxide, Neon, Helium, Methane (CH4), Krypton, Hydrogen, and Xenon. Nitrogen makes up the largest proportion of air; 78 percent, followed by oxygen, which is vital to all plants and animals. It occupies 21 percent of air.
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What Gases Make Up the Air We Breathe?
The Earth’s atmosphere is a layer of gas held in place by gravity, which prevents it from escaping into space. It protects life by absorbing UV radiation, by holding in heat to warm the Earth’s surface and by reducing temperature extremes... More »
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The gases that make up the air we breathe are oxygen, carbon dioxide and nitrogen which are the main ones and argon, krypton, neon, helium, xenon, and radon as the minor gases in the air. Nitrogen has the biggest composition, followed by oxygen and then carbon dioxide.
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