Across
- 3. Relating to ocean depths of 2000 to 5000 meters
- 5. Chemistry of the Earth's crust
- 8. Characteristic of the earth or moon's crust
- 10. Longest unit of geological time
Down
- 1. Specialist in the history of the earth recorded in rocks
- 2. Process of covering the earth in ice masses
- 4. Structure or movement of the earth's crust
- 6. Living on or occurring in the ocean
- 7. Regions of the earth that living organisms exist
- 9. Mass, Large continuous extent of land