Kievan Rus was a loose federation of East Slavic and Finnic peoples in Europe from the late ... He extended his control from Novgorod south along the Dnieper river valley to protect trade from Khazar incursions ... In the south, in the area around Kiev, were the Poliane, a group of Slavicized tribes with Iranian origins
Natural cracks in the rock that form due to the exhumation of deeply buried rock are called salt wedges.
Answer: Option 1
<u>Explanation:
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The process of exhumation in the discipline of Geography refers to digging up of a buried rock due to natural forces applied on the surface under which the rock is buried. At a salt wedge, a river flowing with a great velocity meets the ocean where the ocean is comparatively calm.
The fast-flowing river water acts as a digging force and carries out the process of exhumation of the rocks at the wedge. The same fast-flowing water creates cracks in the exhumed rocks.
Geographers run into problems with maps because they don't know the how to solve the map problem, how they can solve the problem is by watching the stray and the lines on it so that they can notify it and it won't be a problem for them that do the maps
