Edgar was shopping at his local nursery. There, he saw a bag of organic fertilizer that claimed to make the blooms on a flowerin
g plant last twice as long as normal. Edgar was curious whether the fertilizer actually worked, so he conducted the following experiment: Edgar planted two new rose bushes in the same flower bed in his yard. He gave only water to the first rose bush, but he gave water and the fertilizer to the second rose bush. What was the control group for Edgar's experiment?
According to my research on the experiment research process, I can say that based on the information provided within the question the control group in Edgar's experiment is the first rose bush. This is because a control group is a group separated from the rest of the experiment so that the independent variable being tested does not affect the results. In this experiment the independent variable is the fertilizer, and since the first rose bush was only given water we can say that it was the control group.
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