The purpose of search engine optimization is to
a. increase page rank on websites like google and bing
b. let readers know what topics a company will cover in their blog posts
c. increase the perceived value of a commodity
d. conduct online market research

Urban growth invariably feeds increased commercialization and industrialization. it requires continually expanding land areas. when urbanization rates are high, and countries do not have the institutional and managerial capacities or economic wherewithal to manage such rapid growths, they exert intense pressure on the types and nature of the resulting settlements. they contribute to the development of overcrowded slums and shanty towns without adequate essential services and necessary infrastructure.-by asit k. biswas and cecilia tortajada