[o.01]the diagram below shows some ocean floor features. picture shows the following features of the ocean floor. continent: the landmass surface where the water from the ocean meets at the shoreline, continental shelf: the edge of a continent where the water is relatively shallow, continental slope: a sharp drop in depth where the ocean basin truly begins and the continental crust ends, volcanic island arc: a line of volcanic islands caused by subduction and the melting of either oceanic or continental crust, abyss: the deepest portions of the ocean basin, excluding ocean trenches, mid-ocean ridge: the location where sea floor spreading occurs, abyssal plain: a large, flat, and deep portion of the ocean surrounding either side of a mid ocean ridge, guyot: a large, flat-topped, underwater volcano, ocean trench: an extremely deep portion of the ocean, similar to a canyon, formed during subduction, seamount: an underwater mountain. the mid ocean ridge is labeled as a. which of these statements is correct about the feature labeled a in the diagram? it is an underwater basin caused by subduction. it is a deep trench located on both sides of a mid ocean ridge. it is the part of the ocean floor where new crusts are formed. it is the portion of the ocean floor where old crusts are eroded.