Across
- 5. the position of a place in relation of another
- 6. A mass of rising war air that usually brings wet, stormy weather
- 9. Wispy, feathery clouds
- 10. A front that is made when two masses of cold air meets
- 12. A force that opposes motion between two surfaces in contact
- 13. Cell division that produces reproductive cells in sexually reproducing organisms
Down
- 1. completing a job in a small amount of time and efforts
- 2. A large body of air
- 3. A place or object used to know if an object is in motion
- 4. The condition of air and the amount of pollution in it
- 7. The amount of water vapor in the air
- 8. locations of a place using longitude and latitude
- 11. a single strand of DNA tightly coiled around special proteins