Sustainability millie

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Across
  1. 3. living things
  2. 4. biology
  3. 7. they study
  4. 9. building
  5. 12. how to
  6. 13. moving
  7. 15. tell news
  8. 16. plants
  9. 20. guide
  10. 21. protect
  11. 22. plan
  12. 23. hot cold etc
Down
  1. 1. earth
  2. 2. home
  3. 5. non living part of an ecosystem
  4. 6. tracker
  5. 8. plants
  6. 10. nearly extinct
  7. 11. shelter
  8. 14. paper long ways
  9. 17. tools
  10. 18. animal
  11. 19. weather
  12. 24. you!