Salmon farming

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Across
  1. 2. something that is clearly true and cannot be argued against
  2. 5. the health, safety, and wellbeing of a person or animal
  3. 7. an official rule or law that controls how something is done
  4. 8. not good in quality or condition
  5. 9. the farming of fish or other sea animals in controlled environments like ponds or sea cages
  6. 10. a type of fish that lives in the ocean and rivers and is often eaten as food
  7. 11. the usual ways or methods of doing something
  8. 12. related to the sea or ocean
Down
  1. 1. a small organism that lives on or inside another animal and can harm it
  2. 3. very important or necessary
  3. 4. able to continue for a long time without harming the environment
  4. 6. when something slowly becomes damaged or worse over time