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Almost 79% of the earth’s atmosphere is composed of ____________. Select one of the options below as your answer: A. nitrogen B. oxygen C. helium D. carbon dioxide
Almost 79% of the earth’s atmosphere is composed of A. nitrogen.
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Asked 1/14/2013 2:34:27 PM
Updated 2/22/2014 12:46:01 PM
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Almost 79% of the earth’s atmosphere is composed of A. nitrogen.
Added 2/22/2014 12:46:01 PM
This answer has been confirmed as correct and helpful.
Confirmed by selymi [2/22/2014 12:47:49 PM]
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