Subduction zones occur on Earth where dense oceanic crust dives under more buoyant continental crust. These boundaries are characterized by a deep ocean trench next to a high continental mountain range, large numbers of earthquakes and volcanoes. All of this is further evidence for the A) big bang theory B) origin of the species Eliminate C theory of plate tectonics D theory of natural selection 4 Sedimentary rocks found high in the Himalayen Mountain