What happens to the solids in wastewater at a wastewater treatment plant? a. they are used as fertilizer on hay fields. b. they are chemically aerated and released into the air. c. they are released into a river, lake, or ocean. d. they are treated and returned to people's homes.

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.