Courtney is enrolled in an advanced physics class at her high school. She is one of only three girls in the class, and she is aware of the notion that girls are poorer at math and science than are boys. This knowledge may actually hinder Courtney's performance in the class as a result of:.
a) cognitive dissonance.
b) diffusion of responsibility.
c) stereotype threat.
d) social loafing.

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