How Are Deep Ocean Trenches Formed - Web what are ocean trenches? Ocean trenches are steep depressions in the deepest parts of the ocean [where old. Web oceanic trenches are formed by the process of plate tectonics, which involves the movement and interaction of.
Web what are ocean trenches? Web oceanic trenches are formed by the process of plate tectonics, which involves the movement and interaction of. Ocean trenches are steep depressions in the deepest parts of the ocean [where old.