The water cycle

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Across
  1. 5. (water that contains wastes from homes or industry )
  2. 6. (an area in which water travels downward)
  3. 7. (the percentage of the total volume of a rock or sediment that consists of open spaces
  4. 11. (a body of rock or sediment that stores groundwater
  5. 14. ( a process of removing salt from oven water )
  6. 16. (a temperature increase in a body of water that is caused by human activity)
  7. 18. (a process that increases the amount of nutrients in a body of water through human activities)
  8. 19. pollution (pollution that comes from a specific site)
Down
  1. 1. (the area of land that is drained by the water system)
  2. 2. ( a microorganism, another organisms )
  3. 3. (a structure that is built across a river to control a rivers flow)
  4. 4. (the ability of a rock or let fluids pass through it’s open spaces or pores )
  5. 8. (a flowing network of rivers and streams draining a river basin)
  6. 9. ( contamination of water by waste matter or other material)
  7. 10. (the accumulation of pollutants at successive levels of the food chain)
  8. 12. (an artificial body of water that usually forms behind a dam )
  9. 13. (all the bodies of fresh water,salt water,ice and snow that is found above the ground
  10. 15. (the water that is beneath the earths surface)
  11. 17. ( suitable for drinking)