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ocean floor -
| Question | Answer |
|---|---|
| continental shelf | The extension of the crust under the ocean |
| continental slope | Is a steep drop off at the edge of the continental shelf |
| Mid-ocean ridge | A area of higher elevation that extend the length |
| rift zone | Is a notch or valley between the edges |
| ocean trench | is a deep valley under water |
| Oceans basins | are in between |