The Great Lakes

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Across
  1. 2. over 300 streams empty into this lake
  2. 5. the bird that was most effected by DDT
  3. 6. acronym for the 5 great lakes
  4. 8. the percent of water the Great Lakes hold
  5. 13. only had been frozen completely 5 times in history
  6. 14. the river where a fire started on top
  7. 15. the major reason for water shortages involving humans
Down
  1. 1. known for its water tornados
  2. 3. any living thing hurting the original species living there.
  3. 4. has its own bermuda triangle
  4. 7. a chemical used by farmers to prevent bugs from eating their crop but hurting the environment
  5. 9. geographic area showing waterways that flow into a body of water
  6. 10. tiny fish getting eaten by big fish then etc
  7. 11. this filled in the basin to what we know as the Great lakes now
  8. 12. related with canada and the US