Across
- 4. A type of liquid, matter that flows
- 7. The amount of salt in a solution
- 9. Taking care of something that someone else must also take care of
- 11. Caused by humans
- 14. The total mass of all living material in a specific area, habitat, or region
- 15. stock The number of organisms present in an area at a particular time
Down
- 1. Two or more atoms chemically combined
- 2. Waste or water that flows out of some place
- 3. Tool that measures salinity in a solution
- 5. Element mixed together in the same phase
- 6. Diffusion of fluid through a semipermeable membrane from a solution with a low solute concentration to a solution with a higher solute concentration until there is an equal concentration of fluid on both sides of the membrane
- 8. Caused by salt water and fresh water mixing together
- 10. A force tending to stretch or elongate something
- 12. All the waters on the earth's surface, such as lakes and seas, and sometimes including water over the earth's surface, such as clouds.
- 13. Non natural chemicals or waste in the environment
- 16. The degree of compactness of a substance