Question

Assertion: In the pH inside the mouth decreases below 5.5, the decay of tooth enamel begins.
Reason: The bacteria present in mouth degrades the sugar and lest over food particles and produce
acids that remains in the mouth after eating.
is the reason correct?​

Answer 1

Answer:

yea it's correct..

that's why we use toothpaste which is basic in nature

Answer 2

Answer:

a

Explanation:

assertion is true and reason is true and reason is correct explanation of assertion