Across
- 2. Global Positioning System
- 8. a layer of the pelagic zone of the ocean
- 9. areas on Earth where two or more lithospheric plates collide
- 11. mountain rising several hundred fathoms above the floor of the sea
- 12. the measurement of depth of water in oceans, seas, or lakes
- 13. anchored float serving as a navigation mark, to show reefs or other hazards
Down
- 1. the part of the pelagic zone that lies between the photic epipelagic and the aphotic bathypelagic
- 3. the deepest region of the ocean
- 4. a plate boundary where the motion is predominantly horizontal
- 5. linear feature that exists between two tectonic plates that are moving away from each other
- 6. geographic information system
- 7. the area of seabed around a large landmass where the sea is relatively shallow compared with the open ocean
- 10. the surface layer of the ocean
