Across
- 4. heat transfer by the movement of a heated fluid
- 6. the longest chain of mountains in the world
- 7. the geological theory that states that pieces of earth
Down
- 1. the process by which the ocean floor sinks beneath a deep ocean trench
- 2. transferred from a warmer substance
- 3. any trace of an ancient organism
- 5. it forms along the divergent boundary