Across
- 5. the central plateau of Spain
- 8. a hot south wind from North Africa into Europe
- 10. a cold dry wind from the north
- 13. structures to control the sea
- 15. an arm of the North Sea that is now a lake
- 16. earthen banks
- 17. the French uplands
- 18. land that is surrounded by water on three sides
Down
- 1. an area where the sun does not rise
- 2. have encouraged travel/trade and spread ideas
- 3. reclaimed land by diking and draining
- 4. an area damaged by acid rain
- 6. earthen platforms
- 7. hills that may contain mesas and plateaus
- 9. what the Zuider Zee is now called
- 11. steep ushaped valleys connected to the sea
- 12. a town built on swamp land
- 14. partially decayed plant matter