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Which of the following is a correct sta...

Which of the following is a correct statement ?

A

`Ca_(3)(PO_(4))_(2)` is present in bones

B

`3Ca_(3)(PO_(4))_(2),CaF_(2)` is part of enamel on teeth

C

`Ca^(2+)` ions are important in blood clothing

D

Chlorophyll is a copound of calcium

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