Biology, 09.07.2019 17:30 itsssleaaa

In an experiment, shara feeds her rat different brands of rat food (brands x, y, and z) each for 2 weeks and weighs the rat over several days during the period of each diet. what is the independent variable

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In an experiment, shara feeds her rat different brands of rat food (brands x, y, and z) each for 2 w...