[Answer] A student is investigating the question “Which increases a person’s breathing rate more after three minutes lifting five-pound weights or lifting ten-pound weights?” She designs an experiment to test the question. Which statement most likely describes the dependent variable in her experiment?

Answer: The breathing rate is the dependent variable because it can be affected by varying weights.
A student is investigating the question “Which increases a person’s breathing rate more after three minutes lifting five-pound weights or lifting ten…

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