Across
- 3. Exploration of the ocean and its phenomena.
- 4. Underwater vehicle used for exploration.
- 8. Deepest known part of the world's oceans.
- 9. Diverse underwater ecosystems are formed by coral.
- 10. Marine specialists who explore underwater environments.
Down
- 1. Efforts to protect and preserve marine ecosystems.
- 2. U.S. agency focused on oceanic and atmospheric research.
- 5. The study of underwater depth of ocean floors.
- 6. VENTS Openings in the sea floor that emit heated water.
- 7. A journey undertaken for a specific purpose, such as exploration.