Learning Geology The Sea Floor
How Do Oceanic Trenches Form. Web trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.
Web trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.
Web trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates. Web trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.