Nitrogen Cycle

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Across
  1. 5. The processing of Nitrogen ______ is when bacteria convert unusable Nitrogen into usable Nitrogen
  2. 7. NO2
  3. 9. the air above the surface of the Earth
  4. 14. NO3
  5. 15. NH3
  6. 16. "N" is the abbreviation for the element, _____
Down
  1. 1. chemicals that are put on plants to make them grow more, contains a lot of Nitrogen
  2. 2. "dead stuff"
  3. 3. green stuff that grows in lakes and water systems in high Nitrogen
  4. 4. NO2 is _______ Nitrogen
  5. 6. a natural weather event that releases Nitrogen into the atmosphere
  6. 8. NO3 is _______ Nitrogen
  7. 10. anything solid, liquid, gas, etc
  8. 11. bacteria and fungi that breakdown dead life into their chemistry & release those chemicals in the soil
  9. 12. green life that loves to grow with Nitrogen
  10. 13. Nitrogen Fixing Bacteria live in these little bundles on the roots of plants