(8) What quality of milk is of the most importance to the health of those using milk?
(9) (a) Why is dirty milk dangerous? (b) Pour a quart of the milk you purchase regularly through a pad of cotton. Note the result and report the condition of the milk by comparing the cotton with the disks shown in Fig. 2.
(10) Name some of the ways in which milk is likely to become contaminated.
(11) What is the safest kind of market milk to buy?
(12) Describe the conditions under which milk of this kind is marketed.
(13) (a) What is pasteurized milk? (b) What is the purpose of pasteurization?
(14) How may milk be pasteurized in the home?
(15) (a) When should milk be sterilized? (b) What changes take place in the sterilization of milk?
(16) What points should be considered in the purchase of milk?
(17) Why is it necessary to give milk considerable care in the home?