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Almost 79% of the earth’s atmosphere is composed of ____________. A. nitrogen B. oxygen C. helium D. carbon dioxide
Almost 79% of the earth’s atmosphere is composed of nitrogen.
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Asked 10/2/2013 10:50:50 AM
Updated 3/19/2016 6:49:01 AM
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Almost 79% of the earth’s atmosphere is composed of nitrogen.
Added 3/19/2016 6:49:01 AM
This answer has been confirmed as correct and helpful.
Confirmed by jeifunk [3/19/2016 6:52:50 PM]
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In DNA, which nucleotide does guanine bond with? A. adenine B. cytosine C. thiamine D. uracil
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In DNA, guanine bond with cytosine.
Added 11/8/2015 2:32:44 PM
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type of forest characterized by trees that seasonally shed their leaves is referred to as a __________. A. coniferous forest B. deciduous forest C. rain forest D. tundra
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