I think it would be D a pure substance
Answer:
Explanation:
Healthy kidneys filter about a half cup of blood every minute, removing wastes and extra water to make urine. ... Your kidneys, ureters, and bladder are part of your urinary tract. You have two kidneys that filter your blood, removing wastes and extra water to make urine.
B. glycolysis occurs in both prokaryotic cells and eukaryotic cells.