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lys-0071 [83]
4 years ago
10

When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _______ vari

able.
A) environmental
B) observational
C) control
D) experimental
Biology
2 answers:
garri49 [273]4 years ago
8 0
The correct answer is D) experimental

Hence the name, experimental. Everything stays the same except for the one changed variable that makes it an experiment.
musickatia [10]4 years ago
4 0
<span>When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _control______ variable
control variable is  something that is kept constant and is unchangeable
so i conclude option C is correct
hope it helps</span>
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