Installing a seawall helps mitigate flood damage primarily by absorbing energy from storm waves. Seawalls act as a barrier between the ocean and the land, reducing the impact of waves and preventing erosion, which protects the coastal areas from flooding and storm surge.
How does installing a seawall help mitigate flood damage?
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by rerouting floodwaters to green spaces
by protecting floodplains from flood damage
by absorbing energy from storm waves
by moving a structure above flood level
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