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OldSpice OldSpice
wrote...
Posts: 6432
9 years ago
What is the formula for hydroxyapatite, which is found in tooth enamel and is the hardest substance in the human body?
A) CaF2
B) Ca3(PO4)2
C) Ca10(PO4)6F2
D) Ca10(PO4)6(OH)2
E) none of the above
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Answer accepted by topic starter
ElectricElectric
wrote...
Top Poster
Posts: 6431
9 years ago
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.silent.boss

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OldSpice Author
wrote...
9 years ago
Perfect!

..Thank you so much for your support
wrote...
9 years ago
My pleasure
.silent.boss
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