Michael's water system crossword puzzle

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Across
  1. 2. When water weighs down the land
  2. 6. Water breaking stuff down
  3. 7. A extra supply for washing stuff
  4. 8. an area that is dry and no precipitation for a period of time
  5. 10. Water that is salty
  6. 13. water under the ground
  7. 16. Bad stuff/garbage in the water
  8. 17. one of the great lakes
  9. 19. a large body of salt water
  10. 20. The land next to a river
Down
  1. 1. Water temperature changing
  2. 3. To get water for plants growth
  3. 4. Water that is not salty
  4. 5. River or stream flowing into a bigger water system
  5. 9. A big thing of ice
  6. 11. A supply of water
  7. 12. Land above water
  8. 14. an overflow of water on dry land
  9. 15. A low area of land that is usually with a river or stream
  10. 18. a moving body of fresh water