Across
- 4. a revolutionary theory explaining that continents shift position on Earth's surface.
- 5. matter that settles to the bottom of a liquid
- 6. the action or process in plate tectonics of the edge of one crustal plate descending below the edge of another.
- 7. relating to or involving volcanic processes.
- 8. make a thorough or dramatic change in the form, appearance, or character.
Down
- 1. a scientific theory that explains how major landforms are created as a result of Earth's subterranean movements
- 2. tending to be different or develop in different directions.
- 3. a change in the constitution of rock
- 6. relating to sediment.