Physics, 01.01.2021 07:40 liyahbby16

Alan and Monica tested how fertilizer X affected the growth of a plant. Alan and Monica put 100 grams of fertilizer X in pot 1. They put 0 grams of fertilizer X in pot 2. What is pot 2 called in science?
A.
a test group
B.
a data group
C.
an observational group
D.
a control group

Answers: 1

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Alan and Monica tested how fertilizer X affected the growth of a plant. Alan and Monica put 100 gram...