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geography test 1
on rivers
Question | Answer |
---|---|
what is the 3 stages of the river | youth , mature ,old |
what is vertical erosion | erosion down the way |
what is lateral erosion | erosion to the sides |
what is solution | when its chemicals eroisin scrapes the bed to make it wide a deeper |
what is abrasion | when the rivers rock scrapes the river bed which becomes wider and deeper |
what is hydraulic action | the force of water is powerful especially during floods and erode the banks and rivers |
who are waterfalls formed | 1) band of hard rock lies on area of soft rock 2)eodes the soft rock more quikly than hard rock 3) vertical drop falls |
example of waterfall | ardra co Donegal |
explain how ox-bow lakes formed | 1)takes place on outer banks of menders and land is very narrow 2)narrow neck of land is eventually worn away 3) horse shoe lake is formed |
example of ox bow lakes | river moy in mayo |