The Urals are among the world's oldest extant mountain ranges.The Ural Mountains extend about 2,500 km (1,600 mi) from the Arctic Ocean to the Kazakh Steppe along the northern border of Kazakhstan.Geographically this range marks the northern part of the border between the continents of Europe and Asia. Its highest peak is Mount Narodnaya, approximately 1,895 m (6,217 ft) in elevation.One of the advantages of using sled dogs in polar regions is their uncomplicated food requirements. They can be fed seal meat; it is unnecessary to make elaborate arrangements for bringing along food for them. Amundsen went even further on his expedition to the South Pole. He shot the dogs he no longer required and fed them to his remaining sled dogs.Sled dog teams are put together with great care. A team consists of the leader, swing dogs, wheel dogs, and sometimes point dog.
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