Across
- 2. The driest desert on Earth
- 4. Set of winds which blow from north-easterly and south-easterly directions to the equator
- 5. Arabic expression for sandy deserts
- 6. Formation of clouds (verb)
- 8. Unit of pressure
- 13. The higher the ... the thinner the air!
- 15. A desert consisting of stones and pebbles
- 16. Severe process of soil degradation in which arable land is lost forever
- 19. cf. sketch
- 20. Winds blow from high to ...
Down
- 1. Liquid water becomes water vapour (verb)
- 3. subtropical region in Europe
- 7. Temperature at which the air reaches its maximum (100%) relative humidity
- 9. The largest desert on Earth by area
- 10. Frozen water mostly stored in mountainous areas
- 11. Accumulation of salts near the surface
- 12. Part of the water cycle; water in rivers, lakes and reservoirs
- 14. Infiltration of water into the ground
- 17. Fragile zone bordering the Sahara Desert
- 18. When soil or stone wears off due to wind and rain