Darwin studied species of in the islands when coming up with his ideas about evolution

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so, when you eat, your teeth chew and grind food into smaller pieces. this is mechanical digestion. then reactions aided by digestive enzymes break down large food molecules into smaller molecules. this is chemical digestion. the two processes change the food into simpler substances that can be used by the body for raw materials and energy.

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tobey

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answer: collecting information/data

reason: the student is going around and asking people questions to collect data

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