Multiple Choice
What elements are in hydroxyapatite,
OH,a major compound in human bones and teeth?
A) carbon,potassium,oxygen,hydrogen
B) calcium,phosphorous,oxygen,hydrogen
C) carbon,phosphorous,oxygen,helium
D) calcium,phosphorous,oxygen,helium
E) carbon,potassium,oxygen,helium
Correct Answer:

Verified
Correct Answer:
Verified
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