Assertion (A) : Reduction in bicarbonate levels leads of dissolving of tooth enamel.
Reason ("R") " : Bicarbonates in the saliva make the pH 5.4 to 7.4 . If the bicarbonates level in saliva is reduced the saliva becomes acidic and the tooth enamel may get dissolved .

Options

A. (A) is correct and ("R") explains (A)
B. Both (A) and ("R") are wrong
C. (A) is correct but ("R") is wrong
D. ("R") is correct but (A) is wrong

Answer

A