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Biology, 24.09.2019 17:30 unknown9263

Ascientist wants to determine which fertilizer is more effective—fertilizer x or fertilizer y.
the best way for her to proceed would be to design an experiment with
a.
three groups of plants—a group fertilized by x, a group fertilized by y, and a control
group with no fertilizer.
b. two groups of plants—a group fertilized by x and a control group with no fertilizer.
c. two groups of plants—a group fertilized by y and a control group with no fertilizer.

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Ascientist wants to determine which fertilizer is more effective—fertilizer x or fertilizer y.
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