Across
- 2. an underwater mountain with a flat top
- 3. the shallow part of the ocean floor
- 4. device that helps find underwater objects
- 6. a body of water surrounded by sand or coral reefs
- 8. deepest part of the ocean floor
- 9. a range of mountains under the sea
- 10. a ridge of coral, rock, or sand in the ocean
Down
- 1. sediment at the foot of continental slope
- 5. the study of formations of the ocean floor
- 7. an edge that drops down to ocean floor
- 8. circular island formed around the rim of a volcano