Water Pollution

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Across
  1. 4. is the biggest river system in the World
  2. 5. type of pollution where 85% comes from activities on land near the coasts
  3. 6. worlds most pressing environmental problems
  4. 8. pollution that comes from a specific site (ex factory, oil spill)
  5. 10. deliver small amounts of water directly to plant roots by using perforated tubing(holes)
  6. 11. most of the drinking water comes from this source of water
  7. 13. 97% of the Earth's water is ______ water
  8. 14. 19% of water used in the world
  9. 15. virus, microorganism, or other substance that causes disease
Down
  1. 1. type of pollution causes by increasing the temp in a body of water (power plants)
  2. 2. solid material that remains after treatment and contains dangerous toxic chemicals
  3. 3. percentage of a rock or sediment that has open spaces
  4. 7. area of land that is drained by a water system
  5. 8. ability of a rock or sediment to let fluids flow through it open spaces or pores
  6. 9. Water is a ________________________ resource
  7. 12. structure built across a river to control flow