Skimming of milk or the addition of skimmed milk to ordinary milk,
ADoesn't change the amount of any of the component expect fat
BChanges the amount of any of the component expect fat
CResults no changes in milk component
DNone of the above
ADoesn't change the amount of any of the component expect fat
BChanges the amount of any of the component expect fat
CResults no changes in milk component
DNone of the above