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Biology, 12.02.2021 18:40 ehhshsh

A student tested the effects of the rate of the potato enzyme catalase; the student placed shaved potatoes in 3 different solutions of hydrogen peroxide, each with a different temperature. The student then measured the rate of the reaction by measuring the height of the bubbles given off in each test tube. The results to the experiment are displayed below, which of the following represents the independent variable in this experiment?

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