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A drug company is testing the effectivness of a new blood pressure medicine using rats as the test subjects what are the possible factors that must remain constant during the te…

A drug company is testing the effectivness of a new blood pressure medicine using rats as the test subjects what are the possible factors that must remain constant during the te…
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a drug company is testing the effectivness of a new blood pressure medicine using rats as the test subjects what are the possible factors that must remain constant during the testing

User Dex Dave
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Answer: the type of rat, the amount of medicine

User Sharno
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