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Nimfa-mama [501]
3 years ago
6

Why do some investigations require a control

Biology
2 answers:
gulaghasi [49]3 years ago
8 0
The purpose of the control is to compare the results of the set-ups with varied independent variable.
s344n2d4d5 [400]3 years ago
6 0
<span>Control variables must be monitored and controlled during an experiment to make sure that they are kept equal, otherwise they could make your results false or unreliable. </span>
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