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Biology, 01.04.2020 21:06 evanwall91
A controlled experiment is one in which .
A) there are at least two groups, one differing from the other by two or more variables.
B) the experiment is repeated many times to ensure that the results are accurate.
C) there is one group for which the scientist controls all variables.
D) the experiment proceeds at a slow pace to guarantee that the scientist can carefully observe all reactions and process all experimental data.
E) there are at least two groups, one of which does not receive the experimental treatment.
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A controlled experiment is one in which .
A) there are at least two groups, one differi...
A) there are at least two groups, one differi...
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