tectonic hazards
Across
- 3. dark black igneous rock
- 4. the layer between earth's crust and core
- 7. molten rock beneath the earth surface
- 8. the innermost layer
- 9. extending in different directions
- 10. a rupture in the earth's crust
Down
- 1. molten rock expelled by a volcano
- 2. trembling of the earth surface
- 5. a circular depression in the ground caused by volcano
- 6. plate they float on the upper mantle