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the overflow of rivers will cause houses to be washed away, kill humans and most dams have been designed to protect humans for 50-75 years, there are over 10,000 dams in America and many are weak

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12y ago
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12y ago

When a river is dammed, valuable freshwater habitats, such as waterfalls, rapids and prime fish runs are lost. The impact on fish and other aquatic organisms is obvious, but the ecological ramifications go beyond the river. Wildilfe that depends on the water or on food chains involving aquatic organisms is also adversely affected.

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13y ago

sometime they can go wrong and yeah lads tubooly

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building of dams have caused fish to run

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Flooding can happen as the land is flat

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Q: What are the disadvantages of constructing dams?
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