How many minerals are known to be essential for human nutrition?
a. 8
b. 12
c. 16
d. 20
e. 24
Question 2
Which statement is true of minerals in their role as nutrients?
a. They are organic.
b. They yield 4 kcalories per gram.
c. Some become dissolved in body fluids.
d. Some may be destroyed during cooking.
e. They are more fragile than vitamins.