Across
- 3. organism that converts nitrates back into nitrogen gas
- 4. process where water enters another body of water
- 7. water that is absorbed into the ground
- 9. where the most carbon is stored
- 10. process where snow turns directly into water vapor
- 12. converts nitrogen gas from the atmosphere into ammonium
- 13. converts nitrates into nitrogen gas
- 14. organism that converts nitrogen gas into ammonium
- 15. process where water is taken into the atmosphere
- 17. organism that converts ammonium into nitrates
- 18. process where plants lose water through their leaves
- 20. converts ammonium into nitrates/ nitrites
- 21. place where a substance is held/ accumulates
- 22. process where water vapor turns back into liquid water
Down
- 1. process of water falling from the atmosphere
- 2. movement of a substance from abiotic to biotic factors
- 4. movement of a substance from biotic to abiotic factors
- 5. process where organisms take in oxygen and glucose and release carbon dioxide and water
- 6. substance that limits the growth rate of an organism
- 8. process where water is absorbed into the ground
- 11. key component in all living things
- 16. process where plants take in carbon dioxide and water and release oxygen and make glucose
- 19. atmosphere is made of 78% of this