Water pollution

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Across
  1. 4. oil ________ occur when ships collide into one another, or if there is a leakage from the vessels.
  2. 6. When plastics, rubber and other trash is thrown into the water.
  3. 7. ________ water where salt from seawater is removed to create drinkable water (One of the four National taps).
  4. 8. As a result of algae bloom, animals do not have _________ to respire.
  5. 9. One of the four national taps. ______ Water is bought from johor bahru)
Down
  1. 1. As a result of an algae bloom, light cannot pass through the surface of the water and plants cannot make food by ____________________.
  2. 2. One of the methods of desalination.
  3. 3. This is produced by recycling used water or sewage (One of the four national taps)
  4. 5. ________ bloom can occur when there is a fertiliser or pesticide leakage