Adults need an average of eight hours of sleep each night, but mary finds that she actually needs more than that. if she gets less than ten hours of sleep a night, she has difficulty concentrating, is forgetful, has problems driving, and cannot work effectively. mary would most likely be diagnosed with:

The answer is hypersomnolence disorder. This disorder is characterized by longer periods of nighttime sleep which is usually 10 hours, not restorative and the individual is unable to focus and continue his or her daily activities if he or she sleeps less than 10 hours a day.

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

White dwarf is very hot, but also very small and that is why it may appear dim.