Water Pollution

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Across
  1. 3. zone
  2. 5. Curve Sag
  3. 6. Pollution
  4. 7. Nutrient Runoff
  5. 8. Bloom
  6. 10. source pollution
  7. 11. reef
  8. 12. Bloom
Down
  1. 1. Pollution
  2. 2. Oxygen
  3. 4. Fracturing
  4. 7. source pollution
  5. 9. Eutrophication