biogeochemical puzzle

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Across
  1. 2. water held in the ground or in pores
  2. 5. process by which nitrogen and it's compounds are
  3. 9. converted
  4. 12. water that collects on a cold surface
  5. 13. process where water cools in the clouds and falls to the ground
  6. 14. water boiling and rising into the atmosphere
  7. 15. process by which water circulates the earth
  8. 16. process where a solid turn into a gas skipping the liquid form
  9. 17. colorless odorless reactive gas
  10. 18. process in which carbon compounds are introconverted
Down
  1. 1. colorless odorless flammable gas
  2. 3. colorless odorless gas
  3. 4. the loss or removal of nitrogen or nitrogen compounds
  4. 6. non-metallic chemical
  5. 7. the exhalation of water vapor through the stomata
  6. 8. poisonous combustible non metal
  7. 10. bacteria in soil and water oxides ammonia
  8. 11. water sitting on the surface of the soil