Across
- 3. deflection in multiple directions
- 6. necessary for vitamin D production
- 8. enables long range radio communication in space
- 9. lowest layer of Earth's atmosphere
- 11. it has precipitation
- 12. functions as a protective boundary for satellites
- 14. sea breezes,land breezes, and mountain breezes
- 15. trapping heat radiated from Earth's surface
- 16. movement of air across Earth's surface
- 17. vital shield for solar radiation
Down
- 1. helps astronomists see through cosmic dust
- 2. feels like temperature on exposed skin
- 4. large scale air movements driven by solar heating
- 5. layer of gas that helps absorb UV radiation
- 7. atmospheres greenhouse gas
- 10. helps with global communication and x-rays
- 13. the coldest layer of Earth's atmosphere