The variables that Madison will have to deal with to test her hypothesis that increased concentrations of salt in the air speeds the corrosion of certain metals are as follows:
In an experiment, the independent variable is the variable that is changed or manipulated in a series of experiments.
On the other hand, a dependent variable is that outcome measured to see the effectiveness of the treatment.
According to this question, Madison makes an hypothesis that an increased concentrations of salt in the air speeds the corrosion of certain metals, the variables she should look out for are as follows:
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