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Biology, 21.06.2019 23:20
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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Biology, 22.06.2019 00:00
In which situations is the principle of cross-cutting relationship useful in determining relative age?
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Biology, 22.06.2019 09:30
Natural resources are any materials that humans obtain from the earth to meet our wants and needs.
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A) Suppose that out of 10 trees planted in a yard, only five survived What kind of hypothesis
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