Question

The table shows the pH value of the plaque surrounding the teeth of a child over 3 hrs .

Time / h pH
0.0. 7.0
1.0. 7.0
2.0 7.1
3.0. 7.2
4.0. 4.1

The constituents of plaque are

( i ) Acid
( ii ) Saliva
( iii ) Bacteria
( iv ) All of these​

Answer 1

Explanation:

0.0-7.0 acid

..........

Answer 2

Bacteria hope it helps plss mark as brainlist and follow me dear plsssssssssssssss anyways I am anu dear plss ✌