Asthenosphere best describes the hot, weak, inner part of the upper mantle, which can flow. Correct answer:A
The asthenosphere is part of Earth's mantle that is located below the lithosphere.It is a layer of solid rock that has so much pressure and heat the rocks can flow like a liquid.
Asthenosphere is the answer of this question. It best describes the all above mention properties.
Asthenosphere is the the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and convection is thought to occur.