Question

Which of the following is a direct cause for the damage of the tooth enamel in tooth

decay?

1) the acid produced by the germs acting on the food stuck in the teeth

2) the germs in the mouth making holes to grow and make their colonies

3) germs living in the gums and pushing the gums away from the teeth

4) sticky items like chocolate forming a layer over the teeth​

Answer 1

Answer:

the acid produced by the germs acting on the food stuck in the teeth..

Answer 2

Answer:

1) the acid produced by the germs acting on the food stuck in the teeth

Explanation:

Due to acid, our enamel is damaging. To neutralize the acid in our mouth we are using paste(which is Basic)

Acid+Base=salt+water(neutralization reaction)