18. Which of the following process is used to separate insoluble particles from liquids? A Drying B. Sieving C. Filtration D. Extraction 19. When a person's kidneys are not functioning well, their blood is not properly cleansed of excess minerals and wastes. Therefore, the person needs to undergo which will help cleansed their blood. A. Dialysis B. Filtration C. Homogenization D. Kidney transplant 20. Can homogenized milk still be made into nonfat milk? How? A. Yes, by filtration B. No, it is now a homogeneous solution. C. Yes, by centrifugation, using a cream separator machine D. Yes, by leaving it undisturbed, fatty cream will float on top​