Biology, 02.03.2020 17:05 murphyscott794

An animal study is being conducted to determine the effect of vitamin C on the incidence of common cold. The researcher gives one group of rats the vitamin C pills and the other group of rats gets the ""dummy"" pill (placebo). The rats that received the placebo would be called the group.

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An animal study is being conducted to determine the effect of vitamin C on the incidence of common c...