Across
- 3. bed rock, laundry,cleaning industrial effluents,and fertilizer
- 5. living things are linked by their common water.
- 7. other microscopic organisms.
- 8. that area of land a bownded hydrologic system,within which
- 10. occurs naturally in mineral deposits,soils,sea water,fresh
- 12. appears in uncontrolled.Surface streans,rivers,drains or sewers.
- 13. not allowing fluid to pass through.
- 16. systems,the atmosphere.
Down
- 1. fine particles of organic and inorganic matter,plankton,
- 2. occurred naturally in the environment from soils and plants.
- 4. enter waterways from human and animal waste, phosphorus
- 6. A,colorless,odorless reactive gas,the chemical element of
- 9. caused by the presence of suspended matter such as clay,
- 11. or acidic 14,is the most alkaline, and 7 is neutral.
- 14. Indicates by numerical expression,the degree to which water is
- 15. That part of the precipitation,snow melt,or irrigation water