According to Article I, Section 2 of the Constitution, each representative must

i think it is the third one.

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.

answer; the above statement is (false);

answer; ///he could not explain why the continents drifted;