Question

X

What is the purpose of a control group within an experiment?
O
D
O
A. To be able to test several different hypotheses at the same time
O
B. To be able to perform a variety of experiments on the control
group
O
C. To have a part of the experiment constantly change
O
(D
D. To identify any differences between the control group and the
experimental group
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Answer 1

D

Step-by-step explanation:

Control group stays the same in order to be used as a comparison for after the experiment