Biochemical cycles

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Across
  1. 4. water to ice
  2. 7. Ammonium to usable nitrogen
  3. 8. Water cycle
  4. 9. water going down a hill
  5. 10. Flow of water
Down
  1. 1. When things are broken down by wind
  2. 2. Rain
  3. 3. Flow of carbon
  4. 5. water in rocks
  5. 6. Flow of nitrogen