The answer is Analytical chemistry.
Analytical chemistry is the area of chemistry that focuses on the composition of matter. Inorganic chemistry involves the study of substances that in general do not contain carbon. Organic chemistry is the study of compounds that contain carbon while physical chemistry is the area of chemistry that deals with the mechanism, the rate, and the energy transfer that occurs when matter undergoes a change.
It is still water so it is b
Hormones is the term you are looking for, but I may be wrong
Cell divison is necessary to replace cells that are worn and aging. Cells do not have an indefinite life span. Fo example, the life span of a red blood cell is about 120 days.
They carry a combination of their genetic traits.
