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Where Are Trenches Formed. Web a trench forms when an oceanic plate collides with another plate at a convergent boundary. When this happens, the denser.
When this happens, the denser. Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one. Web a trench forms when an oceanic plate collides with another plate at a convergent boundary.
Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one. When this happens, the denser. Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one. Web a trench forms when an oceanic plate collides with another plate at a convergent boundary.
