a student conducts an experiment to determine how the additional of salt to water affects the density of the water. the student fills 3 beakers with equal amounts of water. he then adds 1 cup of salt to the first beaker, 2 cups of salt to the second beaker and no salt to the third beaker. what is the dependent variable in the student's investigation?

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the water would be because however much salt you add the water rises

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