Science Water Cycle Alpha Assignment Week 5

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Across
  1. 1. the water that is stored in the ground
  2. 6. any form of water that falls from the clouds to Earth's surface
  3. 8. a human-made channel, often in the form of a bridge, that transports water
  4. 11. the clearing or cutting down of forests
  5. 12. the process by which fertile land becomes desert
  6. 14. cycle: the movement of nitrogen through the living and nonliving parts of the environment
  7. 15. cycle: the movement of water through the living and nonliving parts of the environment
  8. 18. fog or haze combined with smoke and other pollutants in the atmosphere
  9. 19. to protect from wastefulness or destruction
  10. 21. the process of supplying water to areas of land to grow crops
  11. 23. the process by which water is lost from the leaves of plants
  12. 25. fuel: a fuel formed from the remains of organisms
  13. 26. the process of replanting an area with trees
Down
  1. 2. made or produced by people
  2. 3. source: a source of pollution that can be identified
  3. 4. rain: rain that has been made acidic by certain pollutants in the air
  4. 5. cycle: the movement of carbon through the living and nonliving parts of the environment
  5. 7. the water that flows over the ground surface
  6. 9. the movement of people from rural
  7. 10. a large natural or human-made lake used to supply water
  8. 11. the removal of salt from ocean water to provide fresh water
  9. 13. source: a source of pollution that is difficult to link to a particular origin
  10. 16. restoration: the practice of renewing degraded or destroyed ecosystems and habitats
  11. 17. fixation: a process by which bacteria convert nitrogen gas into a usable form
  12. 20. the change of state from a gas to a liquid
  13. 22. the change of state from a liquid to a gas
  14. 24. toward cities