Question

Q4. Can molecules be broken down by mechanically crushing them under teeth? (Do not consider
the action of saliva)
(a) Yes
(b) No​

Answer 1

Answer:

cannot be broken down into a simpler type of matter by either physical or chemical means, and. can exist as either atoms (e.g. argon) or molecules (e.g., nitrogen).

Answer 2

Answer:

no it is not possible for molecules to be broken down.

Explanation:

the food can be finely crushed by the teeth but for the molecules to be broken down it requires chemical reaction i.,e. action of enzymes(chiefly salivary amylase/ptyalin)

hope this gives you an idea :)

good day!