Across
- 3. Meteors burn up in the layer
- 8. a gas that makes the Ozone layer
- 9. layer closest to Earth
- 11. Earth's universal baseline
- 13. Based on physical reality
- 14. of the sun's UV radiation
- 15. energy from the sun
Down
- 1. Scientists think that the layer is a part of space
- 2. travel away from the surface of an object
- 4. The hot molecules are so far apart
- 5. heats water from the Earth's surface
- 6. Lower boundary of the exosphere
- 7. where the ozone layer exists
- 10. who made the comparison about the Atmosphere
- 12. reflecting 80% of the radiation