What are 4 catalogs of organic molecules which form the base of living things?

The body of water found at number 4 on the map above is the

Which are reasons cells undergo cell division?

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.