The lost word

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Across
  1. 3. a high natural wall.
  2. 6. a large and ugly animal.
  3. 7. a place with a lot of trees.
  4. 8. an important teacher at a university.
  5. 10. dirty and not moving.
  6. 14. the most important person in a group.
  7. 15. very happy.
  8. 16. a picture that show things like hills, lakes, rivers from above.
Down
  1. 1. very big.
  2. 2. a person who must work for no money.
  3. 4. a small hole like a foot that you leave in the ground when you walk.
  4. 5. the deep noise of an angry animal.
  5. 9. a hard white thing inside an animal’s body.
  6. 11. to start a fight.
  7. 12. a thing that you use for catching animal.
  8. 13. a big animal that live millions of years ago.