Question

define asthenosphere​. please tell

Answer 1

Answer:

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.

Answer 2

Answer:

under the plates of earth , there is a viscous layer called asthenosphere . in this layer , it have magma . there it have conversation current s that is a cause of earth quake .