The primary human source of greenhouse gases in earths atmosphere is: a. photosynthesis b. the mining and burning of fossil fuels c. the use of aerosol sprays d. the removal of fossils

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.