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Biology 20 Online
OpenStudy (anonymous):

Which of the following statements is true about an experiment? The control should be changed by the scientist. The independent variable is the factor changed by the scientist. Multiple variables should be changed by the scientist in one experiment. The independent variable is used as a standard for comparison. @AlexandervonHumboldt2

OpenStudy (alexandervonhumboldt2):

wht you think?

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