Why is it a good idea to brush teeth after eating? A Acidic conditions help bacteria to grow.
B Acids dissolve tooth enamel. C Alkaline conditions help bacteria to grow.
D Alkalis dissolve tooth enamel.​

Acids dissolve tooth ename

Explanation:

By brushing your teeth after you eat, you reduce this bacteria and help protect your enamel from damage. For the best results, use toothpaste that contains fluoride to prevent tooth decay, and triclosan to reduce plaque and gingivitis.

b

is correct hope this   also i learnd this in middle school