Asked by idk
The Earth is composed of multiple layers, which can be defined either by composition or by mechanical properties. This layer is key to plate movement. It is a solid but flows like a very viscous fluid. It is the
A mesosphere.
B lithosphere.
C lower mantle.
D asthenosphere.
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D. asthenosphere
The asthenosphere is the ductile, partially molten region of the upper mantle beneath the rigid lithosphere; it behaves as a very viscous solid that can flow, allowing lithospheric plates to move.
The asthenosphere is the ductile, partially molten region of the upper mantle beneath the rigid lithosphere; it behaves as a very viscous solid that can flow, allowing lithospheric plates to move.
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