| Across |
| 3. |
Evidence-erratics provide evidence of glacial flow lines. |
| 4. |
Wegener-continental landmasses were “drifting” across the Earth |
| 5. |
convention rather than any strict criteria |
|
|
| Down |
| 1. |
apart about 175 million years ago. |
| 2. |
Tectonics- rigid lithospheric plates that move slowly over the underlying mantle. |
|