Across
- 1. a current in a fluid that causes convection
- 3. the act of one plate subducting under another
- 4. two plates drifting past one another
- 7. two plates divide
- 8. Alfred Wegener's CDT + Harry Hess's seafloor spreading theory
Down
- 2. two plates collide
- 5. occur at divergent boundaries
- 6. molten rock; hot liquid in the mantle