UNIT 8 WATER

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Across
  1. 4. AN AREA OF EARTHS SURFACE FROM WHICH WATER PRECOLATES DOWN INTO AN AQUIFER
  2. 6. A PROCESS THAT INCREASES THE AMOUNT OF NUTRIENTSIN A BODY OF WATER THROUGH HUMAN ACTIVITIES
  3. 8. POLLUTION DISCHARGED FROM A SINGLE SOURCE
  4. 9. WATER BENEATH THE EARTH'S SURFAE IN SEDIMENT AND ROCK FORMATION
  5. 12. ORGANISMS THAT CAUSE ILLNESS OR DISEASE
  6. 14. A STRUCTURE BUILT ACROSS A RIVER TO CONTROL THE RIVERS FLOW
  7. 15. THE ABILITY OF ROCK OR SOIL TO ALLOW WATER TO FLOW THROUGH IT
  8. 16. FRESH WATER ON EARTHS SURFACE
  9. 19. POLLUTION TEMPERATURE OF A BODY OF WATER INCREASES
Down
  1. 1. SUITABLE FOR DRINKING
  2. 2. BUILD UP OF POLLUTANTS AT HIGHER LEVELS OF THE FOOD CHAIN
  3. 3. THE AREA OF LAND THAT IS DRAINED BY A RIVER
  4. 5. THE INTRO. OF CHEMICAL,PHYSICAL, OR BIOLOGICAL AGENT INTO WATER THAT DEGRADE WATER QUALITY AND ADVERSITY AFFECT THE ORGANISMS THAT DEPEND ON THE WATER
  5. 7. POLLUTION THAT COMES FROM MANY SOURCESRATHER THAN FROM A SINGLE SPECIFIC SITE
  6. 10. THE PERCENTAGE OF THE TOTAL VOLUME OF AROCK THAT HAS SPACES
  7. 11. ARTIFICIAL LAKE
  8. 13. WATER THAT CONTAINS WASTE FROM HOMES OR INDUSTRY
  9. 14. THE PROCESS OF REMOVING SALT FROM SALT WATER
  10. 17. A FLOWING NETWORK OF WATER
  11. 18. AN UNDERGROUND FORMATION THAT CONTAINS GROUNDWATER