Water pollution

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Across
  1. 4. chemicals or natural substances added to soil or land to increase its fertility.
  2. 6. sewage refers to wastewater that contains harmful waterborne pathogens and bacteria and which has not yet gone through a sewage treatment plant.
  3. 8. is rubbish such as paper, cans, and bottles left lying in an open or public place.
  4. 9. water means water, whether groundwater or surface water, that is produced outside of the boundaries of the Authority and transported into the boundaries of the Authority, by a person other than the Authority, for use within the boundaries of the Authority.
  5. 10. is the process of removing salt from seawater
  6. 11. , process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils
  7. 12. spills are the release of a liquid petroleum hydrocarbon into the environment.
Down
  1. 1. water in or taken from the sea.
  2. 2. is the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy.
  3. 3. can be any toxic substance used to kill animals and fungi.
  4. 5. waste is defined as waste generated by manufacturing or industrial processes.
  5. 7. high-grade reclaimed water produced from treated used water that is further purified using advanced membrane technologies and ultra-violet disinfection, making it ultra-clean and safe to drink.