Respuesta :
The correct answer is a. Hydroxyapatites are calcium based and make up compact bone matrix.
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Answer:
The answer is option A.
Explanation:
A noteworthy part and a fundamental element of ordinary bone and teeth. Hydroxyapatite makes up bone mineral and the framework of teeth. It is hydroxyapatite that gives bones and teeth their inflexibility. Hydroxyapatite atoms can assemble together (crystalize) to frame minuscule clumps.Seventy percent of bone is comprised of the inorganic mineral hydroxyapatite, which incorporates calcium phosphate, calcium carbonate, calcium fluoride, calcium hydroxide and citrate.