GMAS 8th Grade Social Studies Practice Test 2026 - Free Social Studies Practice Questions and Study Guide

Size of land area is what this question asks you to compare. The Appalachian Plateau is a small, narrow strip in the northwest corner, made up of high plateaus rather than wide plains. It simply doesn’t cover as much ground as the other regions. The Blue Ridge sits along the northeastern edge as a broad mountain belt, the Piedmont covers a large central area, and the Coastal Plain extends across the southern part of the area toward the coast. Because of its limited extent, the Appalachian Plateau is the smallest geographic region among these options.