Urbanization in Latin America has involved the largest city in each country growing faster and than the other citiesThe result is the economic, social, or dominance of one city over all others in an urban system For example, Buenos Aires the capital and largest city in Argentina with an urban population of more than 13 of Argentmeans live in the Buenos Aires urban areaThis is the result of the colonial period in which

Ageologist is working in an area with exposed sedimentary rocks and finds a well exposed sequence of stratified rocks. as he works through a thick sequence of limestone, he sees abundant large clam fossils that produce an interlocking texture suggesting a reef, but within the limestone section these clams disappear and the overlying limestone is made up primarily of fragments of corals. he now moves 50 km away and finds limestones interbedded with shales, and the limestones contain the same clam fossils he had seen previously 50 km away. as he continues through this section, the rocks become entirely limestone, and the clams disappear again with coral fossils above forming a reef structure. he concludes