Nature

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Across
  1. 2. part of a tree that has leaves
  2. 6. in the Red Book
  3. 7. nature with no plants, sand only
  4. 8. Dogs swing it when they are happy
  5. 10. destroy
  6. 11. types of animals
  7. 13. animals and plants
  8. 16. be alive
  9. 18. green thing that all trees have
Down
  1. 1. fish has it
  2. 3. typical part of a bird
  3. 4. spiders make it
  4. 5. use paper again
  5. 9. natural object that has falling water
  6. 12. dirty environment
  7. 14. it helps animals not to get cold
  8. 15. part of a flower
  9. 17. Animals use them to walk