Word Search

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Across
  1. 6. a habitat
  2. 7. return to a previous state
  3. 10. something old
  4. 12. all round a particular place or thing
  5. 13. something costly
  6. 15. a person who is loyal
  7. 16. no longer useful
  8. 18. an area often covered with sand or rocks
  9. 19. something funny
Down
  1. 1. a large steep hill
  2. 2. the presence of harmful substance in the air
  3. 3. placed before a noun to find the relation with other words
  4. 4. something tasty
  5. 5. use me as stair
  6. 8. the state of the atmosphere
  7. 9. the envelope of gases surrounding the sun
  8. 11. someone friendly
  9. 14. something of great value
  10. 17. keenly interested