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Biology, 11.09.2019 19:30 FriesAintHere1392

Harrison wanted to find out what soil works best for growing roses. he grew them in potting soil, clay, sand, and soil he found outside his yard. after one week, he measured their height and how many leaves they had. what are the independent variable, dependent variable, control, and constants?

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Harrison wanted to find out what soil works best for growing roses. he grew them in potting soil, cl...
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