The upper mantle can be divided into two portions, the
A) asthenosphere (lower zone of the upper mantle) and part of the lithosphere (the top zone of the upper mantle).
B) asthenosphere (top zone of the upper mantle) and the lithosphere (the lower upper mantle).
C) Moho and the lithosphere.
D) continental mantle and the oceanic mantle.
Answer: A
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A. ?71 V B. +71 V C. ?26 V D. +26 V E. ?140 V
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