My crossword puzzle about Australia!

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Across
  1. 1. wilderness regions of Australia
  2. 4. coral reef on the east coast
  3. 8. highest mountain on the mainland of the Australian continent
  4. 10. very poisonous jellyfish
  5. 11. head of state of Australia
  6. 13. Capital of Australia
  7. 16. an egg-laying mammal
  8. 17. national monument in Canberra
  9. 19. plant that koalas eat
  10. 21. other name of the mountain Uluru
  11. 22. Australias most famous marsupial
Down
  1. 2. National Park listed as a UNESCO World Heritage Site
  2. 3. aboriginal people of Australia
  3. 5. landmark of Sydney
  4. 6. city on the southeast coast of Australia
  5. 7. a fence to prevent rabbits from spreading
  6. 9. rock formation in the Blue Mountains
  7. 12. marsupial that lives in eucalyptus forests
  8. 14. national currency in Australia
  9. 15. the longest river on the continent
  10. 18. popular fast food
  11. 20. city in the northeast of Australia