约 14,200 个结果
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  1. How would you explain the nitrogen cycle? - Socratic

  2. What are the similarities and differences between the carbon cycle …

  3. How do you draw the nitrogen cycle? - Socratic

  4. How does the phosphorous cycle differ from the nitrogen

  5. Does the use of fertilizer affect the nitrogen cycle? - Socratic

  6. What is nitrogen fixation and why is this important? - Socratic

  7. How do you remember the nitrogen cycle? + Example - Socratic

  8. How is nitrogen recycled? - Socratic

  9. How does nitrogen eventually return to the atmosphere?

  10. Is what I wrote below a good summary for the nitrogen cycle?