Our environment - Compound Nouns

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Across
  1. 1. exhaust
  2. 4. greenhouse
  3. 9. water
  4. 10. habitat
  5. 11. vehicle
  6. 12. acid
  7. 13. global
Down
  1. 2. endangered
  2. 3. wind
  3. 5. fossil
  4. 6. ozone
  5. 7. toxic
  6. 8. soil
  7. 14. renewable