Biology, 28.01.2020 02:31 abdulbasharee99

Ascientist wanted to study the effect of a drug on the blood pressure of rats. she set up an experiment in which the experimental group consisted of rats that were injected with a salt solution containing the drug. what should the control group have consisted of?

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Ascientist wanted to study the effect of a drug on the blood pressure of rats. she set up an experim...

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