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Tectonic plates are able to move because the Earth's lithosphere has a higher strength and lower density than the underlying asthenosphere. Lateral density variations in the mantle result in convection. Their movement is thought to be driven by a combination of the motion of seafloor away from the spreading ridge (due to variations in topography and density of the crust that result in differences in gravitational forces) and drag, downward suction, at the subduction zones. A different explanation lies in different forces generated by the rotation of the globe and tidal forces of the Sun and the Moon

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11y ago
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13y ago

The danser magma is the slower it moves.

thats true

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12y ago

magma needs to depend on density in order for it to form its true because i researched it!

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12y ago

Tectonic plates are able to move because of the relative density of oceanic lithosphere

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11y ago

I really have no idea

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10y ago

B.s.

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Q: How does density affect tectonic plate movement?
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