Identify the true statement. Choose one: A. Major mountain ranges are the result of multiple orogenies over a long geologic time. B. Fault-block mountains result when blocks of crust are thrust upward along normal faults. C. Mountains continue to get higher as long as the rate of erosion equals the rate of uplift. D. Domes and basins in the midwestern United States are the result of intracratonic faults.

Americans often speak of their country as one of several large regions.  these regions are cultural units rather than governmental units --  formed by history and geography and shaped by the economics, literature and folkways that all the parts of a region share. what makes one region different from another? a region's multicultural heritage as well as distinct demographic characteristics like age and occupation make regions different and special. within several regions, language is used differently and there are strong dialects. there are also differences in outlook and attitude based on geography.