Across
- 2. NO2-
- 3. ex soybeans
- 8. NH3
- 10. atmospheric nitrogen is made into organic compounds
- 11. bacteria or fungi breaking down dead decay
- 13. soil bacteria that fixes nitrogen
- 14. NO3-
Down
- 1. the way in which nitrogen is transferred thing to thing
- 4. a living organism that makes its own food
- 5. makes ammonia to nitrite to nitrate
- 6. NH4+
- 7. dirt in a wanted place
- 8. can be cute. cannot make their own food.
- 9. air surrounding planets
- 12. breaks down of nitrogen containing chemicals into simple substances like ammonia