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How Valleys Are Formed by Rivers, Streams and Tectonic Plates

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B
Brock

A valley is a long piece of land that can be formed by rivers and streams eroding away earth over time or by cracks in the earth's surface caused by the movement of tectonic plates underneath. Valleys are geological features that result from erosion or cracking of the earth's crust from tectonic plate movement.

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How Valleys Are Formed by Rivers, Streams and Tectonic Plates