mbeth9gador3esagx
mbeth9gador3esagx mbeth9gador3esagx
  • 14-09-2016
  • Mathematics
contestada

An experiment that tests the effect of a single variable is called a A. variable experiment. B. hypothetical experiment. C. theoretical experiment. D. controlled experiment.

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takaylawynder
takaylawynder takaylawynder
  • 14-09-2016
it is d. controlled experiment
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