Across
- 6. the comparison of fossils
- 7. the remains of ancient animals and plants, the traces or impressions of living things from past geologic ages, or the traces of their activity
- 9. the conditions of the atmosphere at a particular place and time
- 12. Who discovered continental drift
- 14. when a species no longer has living members in existence
- 15. A flowing mass of ice and snow
Down
- 1. all of the fossil that have ever been found
- 2. the average weather in a location for over 30 years or more
- 3. eroded sediment that is deposited as glaciers retreat and expand.
- 4. A global climate marked by long periods of cold temperature that cause glacial formation and expansion
- 5. the breaking of rock into smaller peices from exposure to wind, water, gravity and changes in temperature
- 8. who can live on Antarctica
- 10. the circulation of water through hydrosphere from Earth's surface atmosphere.
- 11. Cylinders of ice drilled out of glaciers that contain layers of snow, dust and ect
- 13. the transport of sediment