Question

Write disadvantages of constructing high rising dams.

Answer 1

Explanation:

.They may cause flood.

.They can cause of death of many water living organism.

.They are made by cutting large area of forests.

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Answer 2

Disadvantages of construction of high rising dam:

• Damming of rivers and regulating their flow result in excessive sedimentation at the bottom of the reservoir. This may hamper aquatic life and their migration to other water bodies. Building of damsresult in the submergence of land and vegetation
• The beneficial segment normally Wash down from the river is blocked which decrease the fertility of the soil down river from the dam. alteration of the river flow and sediment transport down system often cause great sustained environmental impact.
• riverbed deepening is also lowered groundwater table along the river the water table the plant root.