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ale4655 [162]
3 years ago
14

Is saliva breaking a down a piece of bread chemical or physical

Physics
2 answers:
Elza [17]3 years ago
8 0
It's a chemical change since it cannot be reversed and the saliva releases a new substance
Vlad1618 [11]3 years ago
5 0
Chemical because saliva has a acid type substance in it
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