Answers by visitors named: TTT

Example full-credit answer: "Make an (experimental) batch of cookies following the recipe above, but in place of 3/4 cup brown sugar, substitute 3/4 cup white sugar plus sufficient strong acid to react with the baking soda. Compare the height of the experimental-batch cookies to the height of cookies made using the normal recipe (positive control) and made by simply substituting white sugar for brown sugar (negative control). If the experimental batch should have leavening similar to that of the positive control batch, then our hypothesis is supported. If the experimental batch resembles the negative control batch instead, this suggests that our hypothesis is incorrect."

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