This diagram shows watershed in areas with various urbanization levels. watershed is the amount of rainwater that runs off land because it is not absorbed. urbanization is the development of land, which includes replacing natural land with parking lots and buildings. based on the information shown, which best describes the relationship between runoff and land development? a) as land development increases, levels of runoff decrease. b) as land development increases, levels of runoff increase. c) the percentage of runoff is equal to the percentage of developed land. d) the percentage of runoff is greater than the percentage of developed land.