Environmental problems

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Across
  1. 2. a possible natural source of polution
  2. 6. a peace of land where garbage is buried
  3. 7. waste produced by nuclear plants
  4. 8. atmospheric layer which is destroyed by some chemicals like CFCs
  5. 10. unwanted sound
  6. 11. rabbish or waste
Down
  1. 1. a source of medical waste
  2. 3. an unwanted change in the environment caused by substances such as wastes, or energy, such as radiation
  3. 4. dangerous and risky waste
  4. 5. gases, which cause global warming
  5. 9. an example of medical waste