Seudónimo Seudónimo
  • 13-09-2018
  • Biology
contestada

In a controlled experiment, scientists investigate a single

A
placebo.

B
control.

C
variable.

D
cell.

Respuesta :

MarvelWinchester
MarvelWinchester MarvelWinchester
  • 13-09-2018
I believe the answer is C
Answer Link
LukeBeTrollin
LukeBeTrollin LukeBeTrollin
  • 25-02-2021

Answer:

thanks daddy

Explanation:

hey step bro

Answer Link

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