Published 11.05.2018 on subject Biology by Guest

Which of the following correctly describes sea floor spreading?
A. New oceanic crust is formed in the middle of tectonic plates and then spreads outward in bands.
B. New oceanic crust is formed at seamounts and spreads outward in all directions.
C. New oceanic crust is formed at deep-sea trenches, pushed away from the trench, and destroyed at mid ocean ridges.
D. New oceanic crust is formed at mid ocean ridges, pushed away from the ridge, and destroyed at deep sea trenches.

Answered by Guest

The answer is D or C