Geography, asked by delnazrajan12, 9 months ago

The upper mantle is referred to as the lower velocity zones.

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Answered by imsreenanda
10

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The low-velocity zone (LVZ) in the upper mantle is characterized by low seismic wave velocities, high seismic energy attenuation, and high electrical conductivity. ... The LVZ plays a major role in plate tectonics, providing a relatively low-viscosity region on which lithospheric plates can slide with very little friction.

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