Which two minerals are the major part of the crystal, hydroxyapatite, formed in ossification of bone?
A) sodium, chloride
B) sulphur, magnesium
C) calcium, phosphorus
D) calcium, potassium
Question 2
An estimated ____ percent of adults in the United States consume five or more alcoholic drinks in a single day at least once a year.
A) 14
B) 20
C) 26
D) 35