tchIllazesaro
tchIllazesaro tchIllazesaro
  • 17-09-2016
  • Physics
contestada

what type of investigation allows the control of variables

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sleepydere
sleepydere sleepydere
  • 18-09-2016
an experimental investigation allows the controls of variables, all the time. however, a comparative investigation can sometimes allow the control of variables. but the answer you're looking for is experimental investigation.
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