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Home Q & A Board Science-Related Homework Help Physics
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barry barry
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11 years ago
Why does the earth's atmosphere contain much more nitrogen than hydrogen?
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#1
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11 years ago
"Hydrogen is an extremely light gas. Earth's gravity isn't strong enough to hold onto hydrogen easily. So we are constantly losing hydrogen to space - as water vapour rises to the upper atmosphere, ionized particles from the sun break the molecules into oxygen and hydrogen. Those elements are still moving quite quickly, and hydrogen (being lighter) moves faster and escapes Earth's gravity."
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#2
11 years ago
Heavier nitrogen can be retained by our gravity, but lighter hydrogen is blown away in space by the solar wind.
Biology - The only science where multiplication and division mean the same thing.
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