Across
- 1. Deepest trench in the world
- 6. The main cause for tides
- 7. The periodic rise and fall of the ocean
- 9. Largest Ocean
- 10. A continuous flow of water in a particular direction
- 11. Underwater mountains
Down
- 2. Underwater plain
- 3. Underwater chain of mountains
- 4. The amount of dissolved salt in the wate
- 5. Smallest Ocean
- 8. created due to a volcanic eruption