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.