Across
- 4. North America and Eurasia when all continents were a single landmass
- 8. layer of the upper mantle
- 10. two plates come together
Down
- 1. the outer part of the earth includes crust and mantle
- 2. two plates pull apart
- 3. hot melting rock in the mantle
- 5. valley in the ocean
- 6. one plate goes underneath the other
- 7. created by two plates rubbing against each other
- 9. two plates rub together