When a cs is presented repeatedly without the us, the cr in a process called

When a conditioned stimulus (CS) is presented repeatedly without the unconditioned stimulus (US), the conditioned response diminishes in a process called respondent extinction. As a behavioral process, when an extinction procedure is in effect, extinction refers to a decline in the strength of the conditioned response (CR).

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