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If you were to conduct an experiment to answer the question, "Does the volume of a caffeinated drink affect your reaction time?”, what would be the controlled variable?
A type of drink
B reaction times
C number of bubbles
D volume of caffeinated drink

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Miroslavassid

Answer:

A Type of Drink

Explanation:

A controlled variable remains constant throughout the experiment.

In such experiment, you'd test the volume of one single caffeinated drink. You'd have to use the same type of drink every trial.

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