Q.16 What are dams? Discuss their critism.
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The report concludes that dams' impacts on ecosystems are “mostly negative”. The building of dams is often destructive. It usually means clearing forests or other habitats in areas to be flooded. Water in reservoirs, especially in water-storage dams, becomes silted with vegetation and matter washed off land upstream.
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The report concludes that dams' impacts on ecosystems are “mostly negative”. The building of dams is often destructive. It usually means clearing forests or other habitats in areas to be flooded.
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