Do you know what Gas makes up most of the earth’s atmosphere?

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Do you know what Gas makes up most of the earth’s atmosphere? The air we breathe, the invisible embrace that envelops our planet, is a complex mixture of gases that sustains life as we know it. Among this celestial blend, one gas stands out as the unassuming yet mighty leader—nitrogen. In this exploration, we’ll unravel the secrets of Earth’s atmospheric composition and shed light on the crucial role played by nitrogen.

Do you know what Gas makes up most of the earth’s atmosphere?
Do you know what Gas makes up most of the earth’s atmosphere?

The most abundantly present gas in the atmosphere by far is nitrogen, which accounts for about 78% of the mass of dry air. While the second most abundant gas in the atmosphere is Oxygen, present at levels of 20 to 21%.

List of available gases in the atmosphere and their percentages

Gas Name Chemical Formula Percent Volume
Nitrogen N2 78.08%
Oxygen O2 20.95%
*Water H2O 0 to 4%
Argon Ar 0.93%
*Carbon Dioxide CO2 0.0360%
Neon Ne 0.0018%
Helium He 0.0005%
*Methane CH4 0.00017%
Hydrogen H2 0.00005%
*Nitrous Oxide N2O 0.00003%
*Ozone O3 0.000004%

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