in the atmosphere nitrogen and oxygen hydrogen and oxygen
The main gases in Earth's atmosphere are nitrogen, followed by oxygen.
The main three gasses are Nitrogen, Oxygen and Argon.
Hydrogen and helium are the two main gases in the Universe.
Hydrogen and Helium
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In order of their abundance in the earth's crust, the main elemental gases at room temperature, are:Oxygen, hydrogen, fluorine, chlorine, nitrogen, argon, helium, krypton and xenon.
There are not two gases in the layer but one. Ozone is the only gas present in the ozone layer.
Helium and Hydrogen
canada
Two main gases exchange in the lungs: oxygen and carbon dioxide.
The two names of the main characters are Tyson Rios (black) and Elliot Salem (white).
carbon dioxide and nitrogen