What other information can be assumed? A) Many Australians now prefer low-density housing. B) Many Australians now prefer more urban consolidation. C) Employment opportunities are greater near the coast. D) Living on the coast is less costly than living in the city.

i think it is the third one.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.

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.