KonanTheClubber
KonanTheClubber KonanTheClubber
  • 01-02-2021
  • Biology
contestada

How one variable affects another happens in:
A. surveys.
B. case studies.
C. observations.
D. experiments.

Respuesta :

Myles11820 Myles11820
  • 08-02-2021

Answer: experiments

Explanation: ap ex certified

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