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In an experiment there should be only one A. control. B. dependent variable. C. independent variable. D. All answers are correct.
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4 votes
In an experiment there should be only one

A. control.
B. dependent variable.
C. independent variable.
D. All answers are correct.

User GtAntoine
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2 Answers

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in an experiment there should be only 1 independent variable

User Enloz
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In an experiment, these should be only one independent variable. It is the one that doesn't change, whereas you manipulate the dependent variable to test your hypothesis.
User Sertac Akyuz
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