Phosphorus Cycle

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Across
  1. 3. most common place phosphorus is found
  2. 5. process of decaying material enters back into the soil
  3. 7. Earth's only sphere where phosphorus is NOT found
  4. 10. farmers use this to produce richer crops
  5. 11. excessive growth of algae in water due to excessive nutrients
Down
  1. 1. process how plants take up nutrients through the roots and other living organisms eat those plant
  2. 2. phosphorus cycle is one of these cycles
  3. 4. phosphorus is not found in this form
  4. 6. the letter P stands for this element
  5. 8. another name for the phosphorus cycle
  6. 9. breaking down or dissolving of rocks and minerals