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6 questions
In which section of the river do waterfalls form?
Upper course
Middle course
Lower course
Every course
For a waterfall to form there needs to be two layers of rock. Which way round must they be?
Soft rock on top of hard rock
Hard rock on top of soft rock
Below are listed the 4 types of erosion. Which two are important in the formation of waterfalls?
Hydraulic action
Abrasion
Attrition
Solution
What is this man standing in?
Undercut
Overhang
Plunge pool
Gorge
Waterfalls are landforms created by....
Erosion
Deposition
The waterfall retreats (moves back) upstream towards the rivers source over thousands of years leaving behind a steep sided _________
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