A scientist wants to study the affects of fertilizer on plants sets up an experiment.
Plant A gets no fertilizer each day.
Plant B gets 5 mg of fertilizer each day.
Plant C gets 10 mg of fertilizer each day.
Which plant is the control group?
Plant A gets no fertilizer each day.
Plant B gets 5 mg of fertilizer each day.
Plant C gets 10 mg of fertilizer each day.
Which plant is the control group?