Which of the following is located in central russia, stretching from the ural mountains to the yenisei river valley, and is one of the world's largest regions of continuous flatland?

a. russian plain

b. west siberian plain

c. central siberian plateau

d. eastern highlands

Which of these is not a criticism of the concentric zone model? it does not accurately describe cities after the rise of suburban development. it only applies to cities that grew after the development of the automobile. it assumes that inner-city areas will always be repurposed instead of abandoned. it places too much importance on the traditional central business district.