Across
- 2. is a hot substanced
- 5. ridge -
- 7. flow dense, destructive mass of very hot ash, lava
- 10. where two plate move closer to each other
- 12. any of several vast submarine regions thatthe sideways, downward movement of the edge ofplate
- 14. is a hot substance
- 15. move away from each other
Down
- 1. upwelling of magma at midocean ridges and
- 3. system formed by plate tectonics.
- 4. is a underwater canyon
- 6. the process of forming something by forcing
- 8. - an overview | ScienceDirect
- 9. Transform boundaries are places where plates slide sideways past each other
- 11. massive slab of solid rock
- 13. is the upper part of earths mantle