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Rasek [7]
2 years ago
13

Which of the following best describes a controlled experiment? a. An experiment repeated many times to ensure that the results a

re accurate b. An experiment includes at least two groups, one of which does not receive the experimental treatment c. An experiment that includes one group for which the scientist controls all variables d. An experiment that includes at least two groups, one differing from the other by two or more variables
Biology
2 answers:
jonny [76]2 years ago
8 0

Answer:

c

Explanation:

you need a group to actually have an controlled experiment

german2 years ago
6 0

Answer:

I think the answer is C: An experiment that includes one group for which the scientist controls all variables

Explanation:

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