The transition zone from the upper mantle to the crust is known as which discontinuity?
A)Gutenberg.
B)Mohorovičić.
C)Asthensosphere.
D)Lithosphere.

Question

Quizplus · Accepted Answer

The transition zone from the upper mantle to the crust is known as the Mohorovičić Discontinuity, or the Moho for short. It is a boundary that separates the denser, more plastic upper mantle from the lighter, more rigid crust.

The Transition Zone from the Upper Mantle to the Crust