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OpenStudy (anonymous):
A pharmaceutical company has created new vitamin that they claim improves a person's memory. to aprove their product work they have asked for 100 volunteer to take the vitamin for 30 days and then submit to a memory test. What Type of scientific investigation is taking place in the scenario above. A. Clinical trial b. Scientific experiment c. field study d. tutorial
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OpenStudy (anonymous):
Thank u
OpenStudy (apoorvk):
you 're welcome!
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