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belka [17]
3 years ago
10

1. What is a control and how does a scientist use it in a controlled experiment? control

Biology
1 answer:
Nata [24]3 years ago
8 0

A control is a experimental variable that is kept constant or unchanged during an experiment. During a controlled experiment, the controlled variables are held constant to minimize or stabilize their effects on the subject, its unchanging state allows the relationship between the other variables being tested to be better understood.

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