Across
- 2. intervals difference in elevation between the contour lines
- 4. the study of planets crustal features
- 6. boundary where two plates are moving towards each other
- 7. lines very close or at an incline
- 9. boundary where two plates are moving past each other
Down
- 1. area where a denser plate sinks under a less dense plate
- 3. lines connecting area of equal elevation
- 5. boundary where two plates move apart
- 8. how high or low you are compared to sea-level