Across
- 3. An aggressive young man that is usually a trouble maker
- 4. An original version of a blueprint
- 5. the process by which crust sinks toward the mantle
- 8. the process by which molten material adds new crust below earths bodies of water
- 10. Apartment housing that is overcrowded and not well taken care of
Down
- 1. An under sea chain of mountains that is part of a long system of underwater mountains
- 2. A force that sends an object forward
- 6. a deep underwater valley where crust sinks towards the mantle
- 7. the way a person behaves
- 9. A device that reflects off underwater object and records echoes