Across
- 3. splits the earth in half
- 4. shift in tectonic plates
- 10. seasonal movement
- 11. physical or metaphorical barrier
- 12. navigation tool
- 13. large ice chunk
Down
- 1. raised, level platform
- 2. less populated region
- 5. flat, arctic region
- 6. receding land
- 7. a large community of flora and fauna
- 8. city and greater vicinity
- 9. waterlogged, low-lands