Ecosystem (Atilla, Jedi, Rexking)

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Across
  1. 1. Primary Succession
  2. 4. Breaking Down Trees
  3. 8. Secondary Succession
  4. 13. Birds, Living things
  5. 15. Things keeping us alive
  6. 16. Tectonic Plates Moving
  7. 17. Gates Air Pollution
  8. 19. Go Green
Down
  1. 2. Traffic in Cities
  2. 3. STOP
  3. 5. Very hot and durable
  4. 6. Things we should stop using
  5. 7. Make broken things better
  6. 9. Creats things from trash
  7. 10. You can use it again
  8. 11. Liquid we drink everyday
  9. 12. Things caused by a Earthquake
  10. 14. Things we exhale
  11. 18. Unalive Things
  12. 20. Iceburgs Melting