Across
- 4. movement of the earth due to water
- 5. under water
- 8. how deep or clear water is
- 10. biological community of interacting organisms
- 13. flows into Chesapeake bay
- 14. Maryland's biggest bay
- 16. it heals something
- 18. plant species that help the earth
- 19. something that pollutes something
Down
- 1. leaves above water
- 2. green bacteria that is in water
- 3. swampy areas
- 6. a type of restaurant
- 7. river flowing into bigger rivers
- 8. ridge of land that separates water
- 9. where the tide meets the stream
- 11. fish swimming together
- 12. multiple types of something
- 15. living under water
- 17. matter that settles into the end of a liquid