Ocean trenches form over millions or billions of years. Which statement
Ocean Trench Formation. Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one.
Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one.
Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one. Web trenches are long, narrow depressions on the seafloor that form at the boundary of tectonic plates where one.
