Plz will mark brainliest 4. economic development results in low agricultural density because a) farmers require minimal land to feed the population. b) people are able to leave agriculture in different fields. c) fewer farms are needed to feed the population. d) more people depend on factory-made food. e) farmers lack workers to support their farms.

Shaken by the collapse of the steel industry, which had provided them with an unshakable sense of identity for more than a century, pittsburghers hunkered down and built a new economy based on services, medicine, education, and technology. in the process, they transformed their community from one driven by quantity of production into one devoted to quality of life. —peter miller, "pittsburgh: stronger than steel," national geographic, december 1991. the community remodeling carried out in pittsburgh was accomplished partly through the conversion of old factories for new uses—a process known as a. urban renewal. c. gentrification. b. retooling. d. urban pioneering.

The physical processes that create most of earth's physical features, including mountains, are known as

Which season occurs in the northern hemisphere when the sun is at its lowest point in the sky