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Biology, 20.09.2020 06:01 theresamarieuehling2

Rob is in charge of waxing the floor at the local mall. He wants to test a new brand of floor wax called Squeaky Clean. Rob waxes 20-floor tiles with Squeaky Clean and 20 files with the original wax brand. After one week he counts the number of scratches on the floor. A. Independent variable=
B. Dependent variable=
C. Control=

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