What part of South America has a Mediterranean climate? A) the Pacific coast of northern Chile B) the selva of the Amazon River basin C) the high plateaus of the Andes D) the coastal plains south of the Atacama Desert

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.