PET and fMRI scans have revealed that the brain's activity during REM sleep is: Select one: A. very similar to its activity during both wakefulness and NREM slow-wave sleep. B. at its lowest level of activity during the night's sleep. C. distinctly different from its activity during either wakefulness or NREM slow-wave sleep. D. greatly increased in both the frontal lobes and the primary visual cortex.

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

Where are the subjestions