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