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