This solid layer is found between the inner mantle (mesosphere) and the lithosphere. O A. crust
B. asthenosphere
C. inner core
O D. outer core

The layer below the rigid lithosphere is a zone of asphalt-like consistancy called the Asthenosphere . The asthenosphere is the part of the mantle that flows and moves the plates of the Earth.

Explanation:

golgi body just took the test on edge

answer; both surfaces of the membrane are nonpermeable