Biology, 30.03.2021 17:00 chanahvanya
With regard to the evolution of skin color in humans, which of these conditions is Nina sure about (and why?) and which one(s) is she investigating?
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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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Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?
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According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
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Biology, 22.06.2019 21:00
What is the difference between hypothesis, theories, laws, and observations?
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With regard to the evolution of skin color in humans, which of these conditions is Nina sure about (...
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