http://www.ask.com/web?qsrc=2352&o=0&l=dir&q=the+effect+of+soda+on+teeth
This article is about how the acidity in soda erodes your tooth enamel. The IV in this experiment is the type of soda. Some sodas have more acidity than other. The DV would be the amount enamal that erodes. If a drink has a acidity of 7 it is neutral anything less can erode enamel. The result of this experiment is the sodas with less acidity erode more enamel.
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