Deep ocean trenches are surficial evidence for _____________.
A) sinking of oceanic lithosphere into the mantle at subduction zones
B) rising of hot asthenosphere from deep in the mantle
C) transform faulting between an oceanic plate and a continental plate
D) rifting beneath a continental plate and the beginning of continental drift

Question

Quizplus · Accepted Answer

Deep ocean trenches are formed by the sinking of oceanic lithosphere into the mantle at subduction zones, where one tectonic plate is forced under another.

Deep Ocean Trenches Are Surficial Evidence for _____________