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Home Q & A Board Biology-Related Homework Help Medicine Dentistry
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Nunizworld Nunizworld
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6 years ago
Calculus is a contributing factor for the initiation and progression of the periodontal diseases because calculus has a solid surface structure on which plaque will accumulate.
 
  A) Both statement and reason are correct.
  B) Both statement and reason are incorrect.
  C) The statement is correct, but the reason is incorrect.
  D) The statement is incorrect, but the reason is correct.
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clew0012clew0012
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6 years ago
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Nunizworld Author
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6 years ago
Smart ... Thanks!
bbbbbbbh
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Yesterday
You make an excellent tutor!
Mcb
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2 hours ago
Brilliant ツ
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