The Nitrogen Cycle

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Across
  1. 1. nitrate is readily transported through the soil using water
  2. 4. fourth stage of the nitrogen cycle
  3. 6. initially absorbs ammonium/nitrate in second stage (assimilation)(the word is plural)
  4. 8. second stage of the nitrogen cycle
  5. 9. most abundant element in Earth's atmosphere
  6. 10. third stage of the nitrogen cycle
  7. 12. nitrogen is a limiting factor, essential for plant ---
Down
  1. 2. first stage of the nitrogen cycle
  2. 3. fifth stage of the nitrogen cycle
  3. 5. in the first stage, nitrogen is converted into ---
  4. 7. affected by nitrogen abundance (species in an environment)
  5. 11. symbol of nitrogen gas (not converted yet)