What is main difference between lithosphere and asthenosphere?

Answer 1

Asthenosphere is is a low-viscosity shell that extends from 100 km down to 700 km, The solid crust inclusive of some upper part of mantle is lithosphere extends below up to 100 or 200 km.

The lithosphere is roughly 100 km thick beneath the land surface and 200 km thick beneath the sea. Its thickness is derived from the properties of brittleness and viscosity.

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Answer 2

Clara Avalos

The asthenosphere is more ductile and partially molten than the lithosphere, which is primarily rigid and solid.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.