Cheyanne

3. settling tank, removes bacteria and any other sludge
5. pollution, pollution discharged from a single identifiable source
6. accumulation of pollutants at successive levels of the food chain
10. pollution,polluted surface water that seeps into groundwater
11. solids
14. treatment,removing harmful chemicals and minerals as well as pathogens from the water to make it potable(drinkable)
16. settling tank, removes sewer sludge
17. salt water from sea water to make it potable
19. pollution, water released from the industry is too warm for the environment to handle
22. system,interrelated, connected, rivers, and streams
23. that contains waste from homes or industry
24. stored below the earths surface in sediment and rock

1. area of the land that is drained by a river
2. kills any remaining bacteria
4. pollution, pollution from many different sources that are difficult to identify
7. use, to manufacture,dispose of waste, and generate power
8. tank,uses air and bacteria to clean water
9. zone,the area of the earths surface where water percolates down into the aquifer
12. water,fresh water on earths surface
13. eutrophication,algal blooms in water caused by fertilizer runoff from land
15. pollution,chemical, physical or biological agents added to water that degrade water quality and adversely affect organisms
18. underground formation that contains groundwater
20. 67% of the water used in the world
21. pollution, v. large but still get polluted