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Life probably never would have emerged if the ancient atmosphere had been the same as the present one, because ____ interferes with the assembly of simple organic compounds.
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Q13: The injectable pain-killing drug called Prialt is
Q30: Four of the five answers below characterize
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Q39: proto-oncogene<br>A)process in which malignant cells spread from
Q41: Which algae are the most probable ancestors
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Q65: a charged atom<br>A)compound<br>B)polarity<br>C)electronegativity<br>D)ion