Biology, 22.04.2021 18:20, Kizmit4938

Which of the following is the best evidence (proof) that digestion involves a chemical change? A. The body produces substances that aid in digestion in the mouth (saliva) and stomach (acid)

B. The beginning and end amount are equal

C. Teeth break down food into smaller particles

D. The esophagus uses peristalsis to move the bolus down to the stomach.

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Which of the following is the best evidence (proof) that digestion involves a chemical change? A....