According to your textbook, if you quoted steven covey, a professor at brigham young university and author of the seven habits of highly effective people, on the principles of effective time management, what kind of testimony would you be using?

I believe the answer is: Expert testimony.
Expert testimony refers to the type of testimony that given by professionals whose career revolves around a relevant field as our topic.
In this particular case experts could include academic professors, economists, or experienced professors.

The answer is the third one or c

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