Benchmark Review

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Across
  1. 3. source pollution one specific site of pollution.
  2. 6. a body of water that usually forms behind a dam.
  3. 7. water that is sutibale to drink.
  4. 8. water under earths surface in spaces in rock or soil can be liquid or frozen
  5. 12. removing harmful bacteria and microbes form water.
  6. 13. an increase in the amount of nutreints in water.
  7. 15. pollution any heating of naturl water that results from human activity.
Down
  1. 1. a body of rock or sediment that can store a lot of water
  2. 2. water intrusion overuse of groundwater cause seawater to seep in aquifers, contaminating water supplies.
  3. 4. pollution when waste or other material causes water to become harmful to organismis.
  4. 5. Growth of towns and cites due to people moving from rural areas to urban area
  5. 7. frozen layer of soil in polar regions
  6. 9. water body of WATER above the ground.
  7. 10. pollution occurs when live or dead organism are added to water supplies.
  8. 11. poiont sorce pollution many small soruces of pollution.
  9. 14. pollution when harmful chemicals are added to water supplies.