Which of the following statements is true?
both prokaryotic and eukaryotic organisms can have one or more cells.
prokaryotic organisms are always unicellular, but eukaryotic organisms are always multicellular.
prokaryotic organisms are always unicellular, but eukaryotic organisms can be either unicellular or multicellular.

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.