Across
- 3. huge underwater mountain range
- 4. what oceanic crust it made up of
- 6. Type of boundary that has spreading
- 8. what continental crust is made up of
- 9. subduction at MOR pushes lithosphere into mantle layer found between crust and core
- 11. Seafloor moves apart
- 12. deepest parts of the ocean
- 13. San Andreas is a movie about this
- 14. type of boundary that has subduction
Down
- 1. most rigid layer of earth
- 2. Theory proposed by Alfred Dreyfus
- 5. new rock pushes the plates apart
- 7. Super continent of all lands
- 10. the way of finding the depth of the ocean