If a dam is installed across a river,what effect will this have on the coastline?
A)It will not allow any fish to swim down the river and into the ocean.
B)It will stop the flow of water,which will lower sea level.
C)It will change the chemistry of the water and pollute the estuary.
D)It will starve the coast of sediment,and the beaches will disappear.

Question

Quizplus · Accepted Answer

If a dam is installed across a river, it will trap sediment and prevent it from reaching the coastline. Over time, this will result in erosion and a depletion of sediment needed to maintain beaches and other coastal features. This can lead to disappearance of beaches over time. The other options do not relate to the impact of dams on the coastline.

If a Dam Is Installed Across a River,what Effect Will