Why Are Urban Areas Susceptible to Flash Floods

question 63

Multiple Choice

Why are urban areas susceptible to flash floods?

• A)Oil, gasoline, and other auto fluids repel more water into the stream system
• B)City sewers promote flooding of city streets and parking areas
• C)A high percentage of the surface area is covered with cement, asphalt, and other impervious materials
• D)Construction materials promote rapid absorption of precipitation, which puts excess water into the stream system

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