The law of the conservation of matter mass says that

- The law of conservation of matter mass states that
- The law of conservation of mass says that matter cannot be created or destroyed
- The law of conservation of mass says that matter can neither be
- The law of conservation of mass says that matter cannot be
- The law of conservation of mass says that matter can be created and destroyed
- The law of conservation of mass says that matter is neither
- The law of conservation of mass states that matter cannot be