Multiple Choice
A control can be best defined as:
A) A variable that is kept constant in an experiment.
B) An experiment where the final results are known ahead of time.
C) A hypothesis that regulates the results of an experiment.
D) An experiment that is undertaken both in the field and in the laboratory.
E) A variable that changes during the course of an experiment.
Correct Answer:
Verified
Correct Answer:
Verified
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