The top of the asthenosphere is closest to Earth's surface ________.
A. along a mid-ocean ridge
B. above a deep mantle hot spot
C. along a transform fault
D. along a subduction zone
Answer:A
The top of the asthenosphere is closest to Earth's surface ________.
A. along a mid-ocean ridge B. above a deep mantle hot spot C. along a transform fault D. along a subduction zone