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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
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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

User Dan Bowling
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Answer:

A) a variable that is kept constant in an experiment

User Ratul Bhattacharjee
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