Physics, 22.10.2020 16:01, noahmoritz2004

Which Statement describes a controlled experiment? A. It includes two groups, neither of which is exposed to the factor being tested.
B. It includes a group exposed to one of factors being tested and a group that is exposed to another of the factors being tested.
C. It includes a group exposed to the factor being tested, and a group that is not exposed to the factor being tested.
D. It includes two groups, both of which are exposed to the factor being tested.

( Please hurry, im being timed!)

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Which Statement describes a controlled experiment? A. It includes two groups, neither of which is e...