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How cliffs are formed?

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How cliffs are formed?
posted Jul 21 by anonymous

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Cliffs are steep formations of rock that occur frequently in nature along coasts, riverbeds and in mountainous regions.

Cliffs can be formed by several different natural phenomena and few are as follows -
1. though often the formation of cliffs involved tectonic activity. Underneath the ground, the earth consists of large tectonic plates that shift around over time. When two of these plates meet, extreme pressure is created which sometimes forces one or both of the plates upwards over time. This can result in the creation of mountains and cliffs.
2. Another common way cliffs are formed is through the action of water and weathering, which erodes rock over time. Especially common in cliffs occurring along coasts or large lakes, the repeated lapping of water against rocks as waves gradually wears the rock down, which can form cliffs over many thousands of years.
3. In few cases, rivers and gullies that swell with rain water gradually cut into the earth as they flow, which can create cliff walls on either side of the moving water, such as the Grand Canyon.
4. Another cause of the formation of cliffs were the glaciers that once covered much of the earth during the ice age. When the glaciers slowly moved across the earth, their tremendous weight ground out depressions in certain areas creating cliffs much like a river would.

Source: https://sciencing.com/cliffs-formed-5120524.html

answer Jul 21 by Salil Agrawal
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