1.6: The World's Regions - Social Sci LibreTexts
https://socialsci.libretexts.org/Bookshelves/Geography_(Human)/World_Regional_Geography_(Finlayson)/01%3A_Introduction/1.06%3A_The_World's_Regions
WebAug 17, 2020 · There are three types of regions: formal, functional, and vernacular. Formal regions, sometimes called homogeneous regions, have at least one characteristic in common. A map of plant hardiness regions, as in Figure \(\PageIndex{1}\), for example, divides the United States into regions based on average extreme temperatures, showing …
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