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Floods are caused by a high flow of water, from precipitation (rain, melting snows etc...) if there is more water than the land can naturally deal with through the water table, ground water flow and channels (rivers/lakes etc...) and the land is already saturated flooding will occur rivers will break their banks and spread onto their flood plains, the water table will rise and ground water flow will increase where there are no channels.

Some effects are the devastation in poorer countries caused by flash floods and the shifting of sediments (mud slides).

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13y ago
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16y ago

Heavy rainfall causes lots of lakes and rivers to break their banks. The effect was that the local area flooded.

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Q: What are the cause and effects of floods?
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