Milk is not a significant source of _____.
a. riboflavin
b. vitamin D
c. vitamin C
d. protein
e. potassium
Question 2
How many cups of coffee a day are associated with health benefits and little indication of health risks?
a. to 1 cup
b. 3 to 4 cups
c. 5 to 6 cups
d. No amount of coffee is really healthy.