Atmospheric Sciences
Elements and Compounds

Why are nitrogen and argon present in the earth's atmosphere?

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Answered 2009-05-24 16:18:57

The outgassings of the Earth was stripped away by solar winds early in the history of the planet until a steady state was established, the first atmosphere. Based on today's volcanic evidence, this atmosphere would have contained 80% water vapor, 10% carbon dioxide, 5 to 7% hydrogen-sulfur, and smaller amounts of nitrogen, carbon monoxide, hydrogen, methane and inert gases.

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