Across
- 3. force that makes new crust new land or new rock
- 5. force that destroys crust land or rock
- 6. a constructive boundary where 2 plates pull apart and a valley forms
Down
- 1. a boundary that is constructive and has tension forces
- 2. a boundary with compression forces and is destructive
- 4. where a plate sinks under another and a trench forms, destructive force