Across
- 5. he sticking together of particles of different substances.
- 7. allowing anything to pass through it.
- 13. when water trickles the rocks beneath the soil.
- 14. the sticking together of particles of the same substance.
- 15. living
- 16. collects precipitation and runs it to the ocean.
- 17. NO− 3(molecule)
- 19. factor A certain amount of something in an environment or ecosystem such as space
- 20. the study of the physical and the biological aspects of the ocean.
Down
- 1. a system of interlocking and interdependent food chains.
- 2. tension tendency of water.
- 3. underground water bearing-permeable rock.
- 4. permeation of a liquid into something by filtration.
- 6. not allowing anything to pass through it.
- 8. non-living
- 9. organisms that break down dead or decaying organisms.
- 10. inorganic chemical and a salt-forming anion of phosphoric acid.
- 11. water water Drinking water.
- 12. ridge of land that separate water flowing into other river.
- 18. depicting scenes at sea.
