Which statement about the Vikings is true? A. They grew rich by growing oats and barley in the fertile soil of Scandinavia. B. They originated in the area of northwestern France now known as Normandy. C. They sailed up the navigable rivers of Europe and across the Atlantic in longships. D. They formed an alliance with the pope to spread Christianity throughout Europe.

Answer :C. They sailed up the navigable rivers of Europe and across the Atlantic in longships.

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

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