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Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?
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Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%
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Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.
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Are the units of structure in living things?...
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