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Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used
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Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z
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Biology, 22.06.2019 10:30
Natural selection changes allele frequencies because some survive and reproduce more successfully than others.
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Does the heart shape plant contain the same genetic information as the leafy fern plant...
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