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geography 9 vocab
Question | Answer |
---|---|
types of water forms in a stream upper course | Waterfalls, rapids, lakes |
most waterfalls are casued when? | when the river flows over a layer of hard rock |
whats is the river bed? | the bottom part of a river |
what is a bank? | the sides of a river |
what type of erosion occurs in the middle course of the river? | lateral erosion |
what is a flood plain | |
what is left after a flood plain? | alluvium or silt |
what are flood plains suitable of? | farming because of their fertility and flatness |
what is an oxbow lake? | when a river is meandering and teh current undercuts the outer banks until it finally breaks and leaves and ox bow scar |
what is a levee? | banks of silt at the sides of a river, it is made after a flood |