The Hard Enamel Layer of Teeth is:

  1. Calcium Phosphate
  2. Calcium hydroxyl apatite
  3. Calcium oxide
  4. Calcium hydroxide
Anurag Mishra Professor Asked on 1st November 2015 in Environment Science.
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Answer: (1) Calcium Phosphate

Anurag Mishra Professor Answered on 2nd November 2015.
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