Compared with curve 2 on this hydrograph, what is a possible explanation for curve 1? 

A. Curve 1 shows the same area as curve 2 but after urbanization.
B. The storm recorded by curve 1 was shorter and more intense than the storm represented by curve 2.
C. The basin for curve 1 has steeper slopes than the basin for curve 2.
D. All of these are possible.


Answer: D

Environmental & Atmospheric Sciences

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