Special Quiz_Hydrosphere

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Across
  1. 5. Class B freshwater bodies are intended for this type of use — swimming and bathing
  2. 8. Layering in deep lakes that affects dissolved oxygen distribution
  3. 9. The ___ cycle describes how water moves through the Earth
  4. 11. Water utility mandated under RA 9275 to provide sewerage facilities in Metro Manila
  5. 13. Pollution that originates from a single identifiable location
  6. 15. Intended beneficial use of Class D freshwater bodies, the lowest classification
  7. 16. A protected land area that drains into a water body; Class AA waters come from this
  8. 18. Chemical parameter with a limit of 0.5 mg/L under Class A in DAO 2016-08
  9. 22. Increasing concentration of toxins up the food chain
  10. 23. Rain or snow that affects turbidity and total suspended solids in water
Down
  1. 1. Agency that issues advisories for red tide in the Philippines
  2. 2. The specific variety responsible for red tide in the Philippines
  3. 3. Wastewater containing suspended solids, bacteria, and organic compounds
  4. 4. Frozen freshwater mass making up 2.15% of the non-ocean hydrosphere
  5. 6. Eukaryotic protist with flagella that causes red tide
  6. 7. Blue-green algae that thrives in warm, nutrient-rich water
  7. 10. Heavy metal whose limit was raised from 0.04 to 1.0 mg/L under DAO 2021-19 for Class C waters
  8. 12. Largest reservoir of water on Earth, comprising 97.2% of the hydrosphere
  9. 14. Process where excess nutrients trigger ecosystem collapse
  10. 17. Source accounting for 33% of water pollution in the Philippines
  11. 19. The largest lake in the Philippines
  12. 20. Wastewater discharged from industrial or municipal sources
  13. 21. The largest lake in the Philippines (de Bay)