Across
- 2. the weather conditions in an area over a long period of time
- 3. air that moves horizontally or parallel to the ground
- 6. the height of an area above sea level
- 9. boundary between air masses
- 10. any form of water that falls to earth's surface from the clouds
Down
- 1. the amount of water vapor in the air
- 4. the condition of earth's atmosphere at a certain place and time
- 5. the surface features of an area
- 7. measure of the transparency of the atmosphere
- 8. water vapor that condenses very near earth's surface
