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One day Bob noticed something deferent about his dog, so he takes his dog Sharlet to the vet. After her check up the Vet tells bob that Sharlet has fleas. When he gets home he calls his best friend John that Sharlet has fleas and then John says wash her with Shoo Flea Don't Batha Me soap. The next day, Bob decided to test the two soaps... What is the Independent Variable?
The Shoo Flea Don't Batha Me