Across
- 3. - River meets the sea
- 5. Curving river bends.
- 6. - Sediment-rich river mouth
- 7. - Settling of sediment
- 10. - Fine sediment
- 12. - Glacial debris
- 13. - Wetland with peaty soil
- 16. - Wind-formed or influenced
- 17. - Curving river course
- 19. - Underground water source
- 20. Low-lying river areas.
- 21. Fine-grained soil.
Down
- 1. - Barrier to prevent flooding
- 2. Divided land.
- 4. - Sedimentary rock made of sand
- 5. - Wetland with grasses
- 8. - Reclaimed low-lying land
- 9. - Natural obstacle
- 11. - Water seeping underground
- 14. - Coastal sand formations
- 15. Coastal mudflats.
- 16. - Wearing away of land
- 18. - Affected by ocean tides