Biology, 06.10.2019 05:30, electrofy456
If a scientist wants to design an experiment to measure the effect of vitamin c on colds, which of the following would be an appropriate placebo?
a. half the recommended daily amount of vitamin c
b. a sugar pill that does not contain vitamin c
c. the recommended daily amount of vitamin d
d. the recommended daily amount of vitamin c
Answers: 3
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If a scientist wants to design an experiment to measure the effect of vitamin c on colds, which of t...
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