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Science
Chapter 3 Lesson 2
| Term | Definition |
|---|---|
| Mid-ocean ridges | Mountain ranges that run along the bottom of the ocean floor. |
| Sea-floor spreading | The process in which mid-ocean ridges continue in adding new material to the ocean floor |
| Deep-ocean trenches | Are deep underwater canyons. |
| Subduction | The process in which the ocean floor sinks into a deep-ocean trench and back into the mantle. |