Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Connect with a community of professionals ready to provide precise solutions to your questions quickly and accurately. Join our platform to connect with experts ready to provide precise answers to your questions in different areas.

A_________ is a deep valley along the ocean floor beneath which oceanic crust slowly sinks toward the mantle. A. mid-ocean ridge B. rift valley C. mountain range D. deep ocean trench​