An oceanographer discovered a deep underwater opening as shown in the illustration. The scientist classifies this as a mid-ocean ridge. Is the scientist correct or incorrect and why or why not?

image shows the Oceanic Crust slipping below the Continental Crust.


A.He is incorrect. Mid-ocean ridges are sites of frequent volcanic activity.
B.He is incorrect. Mid-ocean ridges are sites of divergent oceanic plates.
C. He is correct. Mid-ocean ridges are flat areas at the foot of continental shelves.
D.He is correct. Mid-ocean ridges are ancient volcanoes whose tops have eroded away.