Across
- 2. a colorless, odorless flammable gas
- 5. the emission of energy
- 6. life-supporting component of the air
- 7. The rising temperature of climate
- 9. trapping of the sun's warmth
- 10. absorbs most ultraviolet radiation
- 12. the star of our solar system
- 15. element of the noble gas group
- 16. radiation of the sun
- 18. a colorless, odorless gas made by carbon
- 20. a colorless gas with a sweetish odor
- 21. harmful effects on our environment
- 22. 2nd lowest atmospheric layer
- 23. the gases surrounding the earth
Down
- 1. fuller form of CFC
- 3. lowest atmospheric layer
- 4. most abundant gas in atmosphere
- 8. The most abundant greenhouse gas
- 11. form of electromagnetic radiation
- 13. gas that contributes with the GE
- 14. gases other than nitrogen on earth
- 17. between stratosphere and thermosphere
- 19. waves longer than visible light