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17 December, 00:02

Which of the following is the best definition of an independent variable?

The variable that is changed on purpose in an experiment

The variable that is changed as a result to some action taken by the scientist

A mathematical model (an equation)

The variable that must be held constant throughout the experiment

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  1. 17 December, 01:44
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    Answer: A. the variable that is changed on purpose in an experiment.
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