Across
- 2. Ocean floor region
- 3. Saltiness of water
- 5. Waterlogged land area
- 6. Excessive fish catching
- 9. Cloudy or mussy water
- 12. Large coral reef system
- 14. Contaminants in the enviroment
- 15. Sandy shoreline
- 16. Underwater ecoysystem
- 18. Area between tides
- 19. Microscopic marine plants
- 20. Related to the sea
Down
- 1. Sunlit ocean layer
- 4. Deepest ocean trench
- 7. Coastal grassland flooded by seawater
- 8. Tropical coastel wetland with trees
- 10. Mix of salt and fresh water
- 11. River meets sea
- 13. Dark ocean Layer
- 17. Non- Salty water