Across
- 4. how many people face water shortages
- 6. how many islands are there
- 7. How were they formed
- 10. What is the biggest lake
- 12. a vampire like invasive species
- 14. species an animal who is not supposed to be in the environment it is in
- 15. community of all the living things
Down
- 1. not salty water
- 2. has a Canadian province named after it
- 3. named after a state
- 5. A clam like invasive species
- 8. one of the pollutants
- 9. smallest
- 11. something that destroys environments that is caused by humans
- 13. How many Great lakes are there