Question

what is the ocean feature at point y?a trenchb continental slopec midocean ridged seamount

Explanation:

Point Y marks a narrow, deep depression in the ocean floor, which matches the definition of an ocean trench. A continental slope is the sloping area between the continental shelf and abyssal plain (marked as W here), a mid-ocean ridge is an underwater mountain range, and a seamount is an isolated underwater volcano, none of which match the feature at Y.

Answer:

A. trench