Chewing of food to break it into smaller particles.physical or chemical change?
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Answer : Mechanical digestion involves breaking large pieces of food into smaller pieces of food.
Explanation:
Physical actions of biting, chewing, mixing, and churning all contribute to mechanical digestion. These processes cause physical changes in food. Foods undergoing mechanical digestion include changes in size and shape.
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Answer:
It is both physical and chemical change
Explanation:
Because our teeth break the food which is physical change and when Saliva mix with food it also breaks food by chemical change
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