colescott11 colescott11
  • 19-09-2020
  • Biology
contestada

An independent variable is A. Directly changed by the experimenter
B. Manipulated by changes to the dependent Variable
C. The variable that is kept constant
D. A variable that is used as a control

Respuesta :

arHas
arHas arHas
  • 19-09-2020
The answer is B because A is being changed .
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