MRCSB World Water Day 2025 Quiz

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Across
  1. 4. The process of removing salt from seawater to make it drinkable
  2. 6. The phenomenon where excessive nutrients in water bodies lead to oxygen depletion
  3. 9. A large underground layer of water-bearing rock
  4. 10. The term for the continuous movement of water on, above, and below the Earth's surface
Down
  1. 1. The term for the maximum amount of water vapor that air can hold at a given temperature
  2. 2. The device used to measure rainfall
  3. 3. The UN’s sustainable development goal number for clean water and sanitation
  4. 5. The world's largest ocean, covering more than 30% of Earth's surface.
  5. 7. The chemical formula for water
  6. 8. A long period of abnormally low rainfall, leading to water shortages