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The main constituent of Pearls are: ____?

✔ Correct Answer: B. Calcium Carbonate &Megnesium Carbonate

The correct answer to the question “The main constituent of Pearls are: ____?” is Calcium Carbonate &Megnesium Carbonate. This question belongs to Everyday Science. Practice the related questions below to master this topic for your FPSC, PPSC and NTS tests.

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