Across
- 5. river that caught fire at least 14 times due to extreme pollution
- 6. trash thrown in the lake, oil dumps
- 9. the first great lake to be explored by the French
- 11. a waterway connecting the Great lakes to the Atlantic ocean
- 13. zebra mussels, alewifes, algae,sea lampreys, and asian carp
- 14. country US shares the border with
- 15. where pollution doesn't come from a single specific source
Down
- 1. the fourteenth biggest lake in the world
- 2. an area that channels freshwater into rivers to get into lakes
- 3. where pollution comes from a single specific source
- 4. the smallest and shallowest lake
- 7. the biggest and cleanest lake
- 8. the third largest lake by area but second largest by volume
- 10. loss species losing their homes
- 12. largest freshwater resources in the US