Across
- 3. A layer that absorbs harmful radiation
- 4. Energy from the sun's heat
- 6. All life on earth
- 8. Third layer of the atmosphere, meteors burn up
- 10. Where the ozone layer lies
Down
- 1. A gas that absorbs infrared radiation
- 2. All water on earth
- 5. Protects the whole earth
- 7. The word for a process of events
- 9. Essential element in the earth for life