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Waterfalls worksheet2 db


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Waterfalls worksheet2 db

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Waterfalls worksheet2 db

  1. 1. The Tees has a of 20 cubic meters a second (20m3/s). The key to the formation of % of waterfalls worldwide is . In the Tees example, the rock layer on top is whinstone; it’s so hard that the river can’t wear it away. The layer of rock underneath gets slowly worn away, until the R rock on top falls and is swept away by the river. The process now starts again, with the rock again being worn away until a layer of rock is left hanging and collapses. As a result, the waterfall actually moves UPSTREAM from where it started. This creates a new landform: a gash in the landscape with very steep sides and a river at the bottom – a GORGE . The GORGE is what lies DOWNSTREAM from the waterfall at high force. Write a short paragraph to describe the process below