which of the following is incorrect, in terms of effects of land development? a. the impervious surfaces caused by most land development increase stormwater runoff. b. the increased runoff does not overwhelm storm sewer systems, because runoff is conveyed by gravity. c. the increased stormwater runoff flow can greatly increase stream velocities, leading to stream bank erosion. d. since less water is infiltrating, groundwater aquifers are being recharged less and less.
