As car production became more efficient, cars became more affordable for american families. one result of this increase in automobile ownership a). greater population density in central cities.. b). growth of suburban areas around urban centers.. c). increased production of coal in the united states.. d). increased dependence on railroads for the transport of goods..

The second alternative is correct (B).

The development of the automobile industry in the 20th century affected several spheres of human life, including economic, environmental and urban.

From the popularization of cars, the temporal distance between the centers and the peripheries decreased, so that people could occupy places farther away from the centers to live. In this context, suburban areas and their benefits and problems, such as traffic, have emerged.

c ig

explanation:

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