brin8Mlaurenonzal brin8Mlaurenonzal

05-02-2017
Physics

contestada

A control is a ____.
a. variable that changes during an experiment.
b. standard for comparison.
c. type of dependent variable.
d. type of experiment.

Respuesta :

brittanycandace brittanycandace

05-02-2017

A control is B, standard for comparison. This is used to compare for example plants and using different fertilizers and then have one with no fertilizer. Controls are basically just a base to the entire experiment

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