Can you plz help me I don’t understand this

Biology

2 answers:

irinina [24]3 years ago

8 0

Answer:

The answer is A

Explanation:

The teeth grinds the food and that is physical and the saliva breaks down the molecules, so that is chemical

Scorpion4ik [409]3 years ago

7 0

The answer is a because it is the best one

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