Assertion . Mg is not present in enamel of human teeth . Reason . Mg is an essential element for biological functions of human .

Assertion . Mg is not present in enamel of human teeth . Reason . Mg

1.	Assertion . Mg is not present in enamel of human teeth . Reason . Mg is an essential element for biological functions of human .
Answer» If both assertion and reason are TRUE, and reason is the true explanation of the assertion. If both assertion and reason are true, but reason is not the true explanation of the assertion. If assertion is true, but reason is false If both assertion and reason are false. Solution :CORRECT explanation . HUMAN TEETH is made up of hydroxyapatite , `Ca_(5)(PO_(4))_(3)OH` with enamel made up of fluoropatite , `3Ca_(3)(PO_(4))_(2). CaF_(2)`.