codybrocs1633 codybrocs1633

09-10-2017
Physics

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what essential characteristic does a good experiment have? a. a control group is given the experimental treatment. b. a single variable is tested. c. a control is used. d. both b and c

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DeEeLiCiOuSs1984 DeEeLiCiOuSs1984

09-10-2017

A. A control group is given the experimental treatment.

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