Cavities and periodontal disease occur when bacteria and plaque is not adequately removed from the surface of the tooth.
That's why your parents tell you to brush your tooth everyday.
If you don't, you can be carefree now but later when you get cavities, you will suffer the consequences.
You will get toothaches and if the cavities are not removed, they could go to the brain and possibly kill you.
Be careful!
Brush every place of your teeth.
Answer:
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In you salivary glands there is an enzyme in the saliva that begins to break down the starches of the food.
Answer:
Food source and space.
Explanation:
With more animals, more food and space is required. With a sudden growth there may not be enough sufficient.
The food source could quickly run out, and same with space.
