faithruaya faithruaya

25-01-2022
Chemistry

contestada

A person’s health can be affected by the way they think, what they do, and how they eat. What are these characteristics called in an experiment?

A. placebos

B. confounding variables

C. control groups

D. sample sizes

Respuesta :

annielynnkiser12 annielynnkiser12

25-01-2022

The answer is B.confounding variables

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