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A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. A mountain differs from a plateau in having a limited summit area, and is larger than a hill, typically rising at least 300 metres (1000 feet) above the surrounding land. A few mountains are isolated summits, but most occur in mountain ranges.Mountains are formed through tectonic forces, erosion, or volcanism, which act on time scales of up to tens of millions of years. Once mountain building ceases, mountains are slowly leveled through the action of weathering, through slumping and other forms of mass wasting, and through erosion by rivers and glaciers.
Kouvola | |
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Population | 86961 |
Kouvola (Finnish pronunciation: [ˈkou̯ʋolɑ]) is a city and municipality in southeastern Finland. It is located on the Kymijoki River in the region of Kymenlaakso and 134 kilometres (83 mi) northeast of the capital, Helsinki. With Kotka, Kouvola is one of the capital centers and is the largest city in the Kymenlaakso region.
The city has a population of 81,778 (31 July 2020) and covers an area of 2,883.30 square kilometres (1,113.