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3 September, 15:26

Which action is a physical change in digestion?

producing enzymes for nutrient absorption

absorbing nutrients from food

mashing food with teeth

salivating to break food into carbohydrates

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  1. 3 September, 16:21
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    Mashing food with your teeth because it is merely changing the physical form of food. Enzymes, absorbing, and salivation are all chemical changes due to the way they interact with food.
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