candie1
candie1
26-08-2015
History
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what is the most abundant gas in the air?
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bbcraze
bbcraze
26-08-2015
78 percent nitrogen is the air
21 percent is oxygen
nitrogen is answer
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smartinbae
smartinbae
26-08-2015
Nitrogen (N2) is the most abundant gas in Earth's atmosphere.
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