Across
- 4. features of land
- 6. occupied space
- 7. transfer of heat
- 8. sound technique
- 11. geologic time
- 15. process that occurs at mid-ocean ridges
Down
- 1. geological process
- 2. undersea volcanic mountains
- 3. flow of a fluid
- 5. mas per unit
- 9. Earth's interior
- 10. super continent
- 12. topographic depressions
- 13. impression/preserved
- 14. quantity of matter