Which of the following is NOT true of deep ocean trenches?
A. They are long and narrow depressions.
B. They are sites where plates plunge back into the mantle.
C. They are geologically very stable.
D. They may act as sediment traps.
Answer:C
Which of the following is NOT true of deep ocean trenches?
A. They are long and narrow depressions. B. They are sites where plates plunge back into the mantle. C. They are geologically very stable. D. They may act as sediment traps.