Across
- 4. used to detect whats under the ocean
- 5. magam rises and sinks back into the mantle
- 7. sloping area
- 10. measurement of dissolved solids
- 13. flat part of the ocean
- 15. one plate sliding under a plate
- 18. pengiuns swim
- 19. deepest part of the subduction zone
- 20. where the slope begins
Down
- 1. in south america
- 2. hills and valleys at the ridge
- 3. where the bottom of the ocean floor begins
- 6. chlorine salt in the ocean
- 8. magma rises from the mantle
- 9. in india
- 11. 2nd largest ocean
- 12. percentage of the solids
- 14. seamounts that are underwater
- 16. mountains under water
- 17. biggest ocean