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Ridge push is a proposed mechanism for plate motion in plate tectonics. Because mid-ocean ridges lie at a higher elevation than the rest of the ocean floor, gravity causes the ridge to push on the lithosphere that lies farther from the ridge.

Slab Pull is is tectonic plate motion due to higher densities. Plate motion is partly driven by the weight of cold, dense plates sinking into the mantle at trenches.

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14y ago
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13y ago

A convergent boundary is a slab pull.

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Q: Compare and contrast ridge-push and slab-pull?
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