enviromental vocabulary

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Across
  1. 1. pison
  2. 5. creatures
  3. 8. seawater
  4. 9. pollution
  5. 10. enviroment
  6. 13. endanger
Down
  1. 2. sewage
  2. 3. garbage
  3. 4. plants
  4. 6. species
  5. 7. protection
  6. 11. trees
  7. 12. animals