A development that would lead to flood frequencies decreasing in the cities would be A . Using new, more permeable materials for roads and sidewalks
Using materials that are more permeable for roads and sidewalks:
If roads and sidewalks with permeable materials were built, there will be less flooding as a high amount of the water would simply go into the ground.
In conclusion, we can reduce flooding by building sidewalks and roads with material that is permeable.
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