Any one give me class 10 physics sample paper 5 of oswal book very urgent plz .
I will mark him brilliant take pic of book and post here​

Donald  trump's  favorite color is orange. 

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.