what is the composition of earths atmostphere?

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what is the composition of earths atmostphere?

2007-12-13 16:13:34 · 2 answers · asked by ~~xx{Stelth[k9]}xx~~ 1 in Science & Mathematics ➔ Earth Sciences & Geology

2 answers

Structure and Composition of Earth's Atmosphere
Composition of Earth's Atmosphere

Nitrogen 78.1%
Oxygen 20.9%
Argon 0.9%
Carbon dioxide, Methane, Rare (inert) gases 0.1%

2007-12-13 16:39:46 · answer #1 · answered by TL 2 · 0⤊ 0⤋

At the surface, it is 78 percent nitrogen, 20 percent oxygen, and 1 percent argon (a favorite fission decay product) plus trace and variable amounts of things like CO2 (about 0.04 percent).

2007-12-13 16:19:35 · answer #2 · answered by cattbarf 7 · 0⤊ 0⤋