Question

Which of the following is an example of a physical change but not a chemical change?
Teeth breaks down food into smaller particles.


Bile in the liver breaksdown fat globules.


Salivary amylase breaks down the starch in the mouth.


Hydrochloric acid in the stomach grind the protien in the stomach.

Answer 1

Answer:

teeth breaks down food.....

Explanation:

all of the other ones have a chemical change to them, but the teeth one is just crushing food to make a physical change