Which change that occurs to food in the digestive system is a physical change and not a chemical change?
a. bacteria converting lactose into simple sugars in the intestines
b. digestive enzymes breaking down proteins into smaller fragments.
c. teeth grinding an almond into smaller pieces in the mouth
d. saliva converting food molecules into simple sugars

c. teeth grinding an almond into smaller pieces in mouth

Explanation:

this is mechanical change

c

Explanation:

this is not using chemicals its grinding its mechanical

hello! my name is zalgo and i am here to be of assistance for you today! in most cases, it takes a while for little babies to learn things, but visual presentation (showing them what do to), some physical therapy (if you have seen funny videos on the internet of parents beating things to show the kids what not to do).

i hope that this ! : d

"stay and stay proud! " - zalgo

answer; philip zimbardo;