Sarah is a junior high student anticipating and preparing for puberty. she wants to know when puberty will start and how long it will take until she looks and is considered an adult. what would you tell her?

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.