piggy#1keegan

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Across
  1. 3. cycle of water
  2. 4. fire in bush
  3. 5. very tall hill
  4. 6. ground shake
  5. 11. dry/sunny/cactus
  6. 12. running water
  7. 13. australia/asia/noth america/south america etc.
  8. 16. erupting lava
  9. 18. boarding and skiing in this
  10. 19. Large marsupial
  11. 20. water natural disaster
Down
  1. 1. brrrrrr
  2. 2. erosion is helped by gravity
  3. 7. what country are we in
  4. 8. subject
  5. 9. another word for sea
  6. 10. map guide
  7. 14. wearing away of rocks
  8. 15. wind/rain/sunny etc.
  9. 17. Man's best friend