Across
- 3. causes extreme burns and skin cancer
- 5. most abundant gas
- 7. cold and dense layer
- 11. heat-trapping greenhosue gas, released into the atmosphere through pollution
- 12. envelope of gas surrounded by Earth/another planet
- 16. a body of air with horizontally uniform temperature, humidity, and pressure.
- 19. seen above in the southern and northern poles
- 20. 21% of the earth's gas
- 21. transition between 2 different air masses
- 23. hottest earth layer
- 24. water vapor,carbon dioxide,methane,ozone
- 25. powerful greenhouse gas,exteremly flamable
Down
- 1. cold air mass replaces warm air mass
- 2. mass of water drops/ice crystals sent into the atmosphere
- 4. the average course of weather of a long period of time
- 6. heat is readmitted to the atmosphere as _____
- 8. protects life on earth from UV radiation
- 9. burning fossil fuels,littering,oil spills
- 10. layer which weather occurs
- 13. home to the ozone layer
- 14. caused by global warming
- 15. caused by an excess of greenhouse gases
- 17. emits UV radiation
- 18. warm air mass replaces cold air mass
- 22. least abundant earth gas