How Trenches Form

All Quiet on the Western Front Mrs. Carter's Class

How Trenches Form. Trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.

All Quiet on the Western Front Mrs. Carter's Class
All Quiet on the Western Front Mrs. Carter's Class

Trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.

Trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates. Trenches are formed by subduction, a geophysical process in which two or more of earth's tectonic plates.