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A student designs an experiment where she will put the same amount of air into three different balloons. One balloon will be submerged in ice water, one balloon will be carefully heated with a hair dryer, and the last balloon will be left alone. After making the changes, the student then will then measure the diameter of each balloon. The dependent variable is:

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The dependent variable is the thing that changes as a result of what has been done to it. In this instance the diameter of the balloon will change once the experiment has been done.

Answer: The dependent variable is change in diameter.

Explanation:

The independent variable can be defined as the factors or characters which can be changed according to the need of the experiment.

The change in independent variable impacts the result of the experiment. The dependent variable cannot be changed.

In this experiment the diameter of the balloon is dependent on the type of environment in which the balloon will be kept.

Hence, the dependent variable is change in diameter.

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