Oceans

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