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Biology, 02.04.2021 02:20 raniacakes

Which choice best describes an independent variable in a scientific investigation? An independent variable is the one variable changed and tested by a scientist in a scientific investigation.

An independent variable is an educated guess that a scientist makes after observing something interesting.

An independent variable is one part of the hypothesis a scientist writes prior to beginning a scientific investigation.

An independent variable is the fastest way to measure the success of a scientific investigation.

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