Why does the elevation of the seafloor decrease from the mid-ocean ridge to the abyssal plain?

A. Slab rollback pulls the oceanic lithosphere deeper.
B. The oceanic plate is flexed downward near a subduction zone.
C. The oceanic lithosphere cools and becomes denser.
D. The weight of sediments depresses the oceanic crust.


Answer: C

Environmental & Atmospheric Sciences

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