Endangered World

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Across
  1. 9. a long period without rainfall
  2. 15. suffering from illness
  3. 16. to deal with, to cope with something
  4. 18. types of animals/plants which are in danger of no longer existing
  5. 19. gases released by vehicles, cars, homes
  6. 20. someone/something responsible for a crime
  7. 21. able to recover quickly from a difficult condition; hardy, tough
Down
  1. 1. ideal, perfect
  2. 2. steady rise in average world temperatures
  3. 3. coal, oil, etc (plural)
  4. 4. the result or consequence of something
  5. 5. variety of different types of biological species
  6. 6. close to the point of something happening
  7. 7. no longer existing
  8. 8. limited materials that will eventually run out
  9. 10. to rise suddenly
  10. 11. a period when animals sleep in winter
  11. 12. confusing, baffling
  12. 13. great in size or number
  13. 14. home
  14. 17. a serious condition caused by the body overheating