biogeochemical

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Across
  1. 3. the cycle of processes by which water circulates between the earths oceans
  2. 4. a colorless, orderless, highly flammable gas, the chemical element of atomic number 1
  3. 6. water that collects on the surface of the ground
  4. 8. the chemical element of atomic number 15, a poisonous, combustible nonmetal
  5. 13. the exhalation of water vapor through the stomata
  6. 15. the process by which bacteria in soil
  7. 16. the chemical element of atomic number 7, a corless, odorless unreactive
  8. 17. a colorless, odorless reactie gas, the chemical element of atomic number 8
Down
  1. 1. the loss or removal of nitrogen or compounds
  2. 2. describes how carbon moves between the atmosphere, soils, living creatures
  3. 5. when anything solid turns into a gas without first becoming liquid
  4. 7. water held underground in the soil or in pores
  5. 9. the process of turning from liquid into vapor
  6. 10. water which collects as droplets on a cold surface when humid air
  7. 11. the chemical element of atomic number 6, a nonmetal which has two main forms
  8. 12. the series of processes by which nitrogen and its compounds are interconvereted
  9. 14. the action or process of precipitating a substance