Across
- 3. They can absorb heat
- 5. most abundant unnatural greenhouse gas
- 8. They radiate the heat back to the Earth's surface
- 9. removed from earth during photosynthesis
- 11. process of carbon naturally interchanging between the four spheres
- 12. greenhouse gases
- 14. mostly hydrogen and helium
- 15. hottest layer of the atmosphere
Down
- 1. why does the atmosphere not drift into space
- 2. produced during photosynthesis
- 4. keeps the temperatures on our planet habitable
- 6. coldest layer of the atmosphere
- 7. the ozone layer is located here
- 10. where clouds and weather is located
- 13. most abundant GHG