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

13-09-2018

I believe the answer is C

Answer Link

LukeBeTrollin LukeBeTrollin

25-02-2021

Answer:

thanks daddy

Explanation:

hey step bro

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