<P> Side valleys are rather V than U-shaped; near the mouth waterfalls are possible if it is a hanging valley . The location of the villages depends on the across - valley profile, on climate and local traditions, and on the danger of avalanches or landslides . Predominant are places on terraces or alluvial fans if they exist . </P> <P> Historic siting of villages within the mainstem valleys, however, have chiefly considered the potential of flooding . </P> <P> A hollow is a small valley or dry stream bed . This term is commonly used in New England, Appalachia, and the Ozarks of Arkansas and Missouri to describe such geographic features . In rural areas in America, it may be pronounced as "holler". Many Appalacian story tellers will say that a holler is an area where you have to holler to communicate with your nearest neighbor, meaning how deep in the country you are . </P> <Ul> <Li> Albertine Rift </Li> <Li> East African Rift </Li> <Li> Ethiopian Rift Valley </Li> <Li> Great Rift Valley </Li> <Li> Nile Valley (Egypt / Sudan / Ethiopia / Uganda) </Li> <Li> Nugaal Valley (Somalia) </Li> <Li> Umba Valley (Tanzania) </Li> <Li> Valley of the Kings (Egypt) </Li> <Li> Valley of Oueme (Benin) </Li> </Ul>

What is the difference between a valley and a hollow
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