Urbanization affects the amount of vegetation and runoff in an area by

By the removal of natural vegetation thus exposing the soil surface which can lead to increased runoff

Explanation:

Due to urbanization, previously forested areas are deforested to create space for structures, this results in a decrease of natural vegetation thereby causing the exposure of the soil surface which can greatly increase runoff water. Natural vegetation serves as barrier to surface runoff, absorbs water, and loosens soil to increase permeability. Vegetation also prevents soil erosion by holding soil in place.

my man just wants some puu

explanation:

answer; the president uses mass media to gain support for policies;