Which of the following statements apply to the asthenosphere, but not the lithosphere?
A. zone in the upper mantle that deforms by plastic flowage
B. cool, rigid layer of crust and upper mantle that forms the tectonic plates
C. deforms mainly by brittle fracturing and faulting
D. partial melting of rising granitic plumes produces huge volumes of basaltic magma
Answer:A
Which of the following statements apply to the asthenosphere, but not the lithosphere?
A. zone in the upper mantle that deforms by plastic flowage B. cool, rigid layer of crust and upper mantle that forms the tectonic plates C. deforms mainly by brittle fracturing and faulting D. partial melting of rising granitic plumes produces huge volumes of basaltic magma