The of a stream is all of the area that contributes overland flow, streamflow and groundwater to that stream. The Mississippi River runs from the upper Midwest to the Gulf of Mexico.

Compared with the land in the highlands, the lowlands region of england a) rockier and more difficult for farmingb) the center of business and industryc)richer in coal reservesd)covered by more fertile farmland d) covered by more fertile farmland