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Social Studies, 22.01.2020 06:32 mariaaking8930
Kendra is researching the effects of vitamin c on test-taking ability. before the exam, kendra gives group a orange juice, and group b water. vitamin c is the
a. experimental group. b. dependent variable. c. control group. d. independent variable.
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Kendra is researching the effects of vitamin c on test-taking ability. before the exam, kendra gives...
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