Across
- 2. A type of swamp made up of wetland and dead plants
- 5. Harmful chemicals that negatively effects our ocean and our health
- 7. wet, muddy land caused by flooding from salt water
- 10. 2nd largest river in America
- 11. Too much of this can cause a decrease of marine life in the ocean
- 13. When river water and seawater mix
- 14. When little water reaches Earth's land
- 15. Brown algae
- 16. Organisms that live in the sea
- 17. Sand and saltwater are found here
- 18. Layer of the ocean that doesn't get sunlight
- 19. Where the North Sea and Great Britain meet
Down
- 1. Layer of the ocean that gets sunlight
- 3. Excess water that could potentially be polluted
- 4. Cleans dirty water
- 6. When a lot of water reaches Earth's land
- 8. 4th largest lake in America
- 9. Deep trench found at the bottom of the Pacific Ocean
- 12. Water that is not salty
- 17. A mix of fresh and saltwater