Across
- 1. Most of the world's deserts are located.
- 3. A Cold and warm front combined
- 5. The movement of air
- 7. Clouds that look like curls of hair
- 9. Air current of air
- 11. Spread out clouds
- 13. Mass of warmer air
- 14. Rising warm air
- 16. Fluffy clouds
- 18. Dry air from land
Down
- 2. Air masses that don't move
- 4. No winds blow here
- 6. air is pollution-free, assessed by measuring a number of indicators of pollution.
- 7. Cooler air
- 8. A huge body of air
- 10. Sinking cold air
- 12. Warmer near the equator
- 15. Humid air from oceans
- 17. Colder near the poles
- 19. means rain