sustainability

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Across
  1. 3. a tropical and wet place
  2. 4. a small animal that has six legs
  3. 8. an animal that has milk
  4. 12. destruction of plants
  5. 14. not many of animals are left
  6. 15. defend against harm
  7. 17. a big bit of land with animals on it
  8. 18. points north
Down
  1. 1. a place where animals live
  2. 2. a big open space
  3. 5. plants
  4. 6. not a plant but i grow on trees
  5. 7. swamps
  6. 9. the space above the land
  7. 10. to keep for the future
  8. 11. a very hot place
  9. 13. food like wheat and fruit and veggies
  10. 16. animals