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Biology, 28.12.2019 01:31 Inrimid3619
Ascientist who wants to study the affects of fertilizer on plants sets up an experiment. plant a gets no fertilizer, plant b gets 5 mg. of fertilizer each day, and plant c gets 10mg. of fertilizer each day. which plant is the control group.
a) plant c
b) all of them
c) plant a
d) plant b
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