Lesli4eColv5illis Lesli4eColv5illis
  • 20-02-2017
  • Biology
contestada

A(n)_____________ is an investigation in which a group that receives some experimental treatment is compared to a group that does not receive the experimental treatment.
a. controlled experiment
b. observation
c. control group
d. independent experiment

Respuesta :

brittneyrost
brittneyrost brittneyrost
  • 20-02-2017
A, controlled experiment
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