river erosion Word Scramble
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| Question | Answer |
| give two examples of waterfalls | 1.Torc waterfall 2. Powerscort waterfall |
| name a feature of river erosion | waterfall |
| what are the main processes in the making of a waterfall | hydraulic action Abrasion |
| what is differential erosion | when the soft rock is eroded away much faster than the hard rock |
| what is undercutting in a waterfall | the combined process of hydraulic action and abrasion widen the plunge pool causing it to erode to the back of the waterfall |
| how is overhang created | as undercutting continues a layer of hard rock is left elevated above the plunge pool |
| give and example of a gorge | the grand canyon USA |
| how are rapids formed | ridges of hard rock create an uneven slope |
| what type of weathering reduces the height of a gorge | physical weathering |
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