What was the biggest factor that led to the changing of traditional ways of life in the arabian peninsula? the construction of large cities the diversification of the region’s economy the invention of the desalination process the discovery of large oil reserves

While viewing a topographic map, you notice a region in which the contour lines are very close together. what can you conclude about this region? a. it has a high population. b. it has a steep incline. c. it's near a political boundary. d. it contains a body of water.