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Read the following and answer the quest...

Read the following and answer the questions.
Study the given table and answer the following questions. It shows the pH value of the plaque (which collects around teeth) surrounding the teeth of a child over 3 hrs.

The three constituents of plaque are

A

Acid

B

Saliva

C

Bacteria

D

All of these

Text Solution

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The correct Answer is:
D
The constituents of plaque are acid, saliva, bacteria and food.
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