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Assertion (A): magnesium is not present ...

Assertion (A): magnesium is not present in enamel of human teeth.
Reason (R ): Magnesium is an essential elements for biological functions of human beings.

A

Both A and R are true and R is the correct explanation of A

B

Both A and R are true but R is not a correct explanation of A

C

A is true but R is false

D

A is false but R is true
or (E) Both A and R are false.

Text Solution

Verified by Experts

The correct Answer is:
A
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