Why are coastal stabilization structures built along coastlines? choose all that apply?

Hey there,

1) To stop beach sand erosion
2) To protect coastal property from erosion 

Hope this helps :D

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The infrared (ir) and the ultraviolet(uv) represent the two extremities of the visible spectrum (400-700nm). while ir represents electromagnetic radiation with wavelengths longer than those of visible light, uv represents wavelengths shorter than visible light

Ihaven't done that yet, so no idea,but this is not the right place to ask