plate tectonics
Across
- 4. _______& erosion produces sediment
- 5. how many major plates are there
- 8. rocky outer part of earth
Down
- 1. lies beneath the cool, brittle crust and the mostly-solid mantle.
- 2. ______& continental plates
- 3. lies between Earth's dense, super-heated core and its thin outer layer
- 6. how many minior plates are there
- 7. scientist that formulate theory of plate tectonics