Modern nations and ethnic groups called by the ethnonym Slavs are considerably diverse both genetically and culturally, and relations between them â even within the individual ethnic groups themselves â are varied, ranging from a sense of connection to mutual feelings of hostility.roto-Slavic, the supposed ancestor language of all Slavic languages, is a descendant of common Proto-Indo-European, via a Balto-Slavic stage in which it developed numerous lexical and morphophonological isoglosses with the Baltic languages.
The Grand Canyon (Hopi: Ongtupqa; Yavapai: Wi:kaÊ¼i:la, Navajo: TsÃ©kooh Hatsoh, Spanish: Gran CaÃ±Ã³n) is a steep-sided canyon carved by the Colorado River in the state of Arizona in the United States.
The mighty Grand Canyon, in Arizonaâs northwestern corner, is the finest natural geologic laboratory in the world. First examined by naturalist John Strong Newberry in 1858, the Grand Canyon now draws scientists to study its many landforms for clues about Earthâs development over eons.