Biology, 28.06.2019 19:30 nails4life324

From each drop-down list, choose the flaw for each design. a student is testing the effect of a new fertilizer on tomato growth. she plants one tomato in garden soil with no fertilizer and plants the other tomato in garden soil with fertilizer added. the design has two iv’s (one intended, one uncontrolled) the siding lacks a control group the design has a sample size of one the design raises ethical questions

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