What do you think the author means at the end of the chapter when he says, “It was Pierrot that climbed out of bed that morning, but it was Pieter who returned to it now before falling soundly asleep book : boy on top of the mountain

its a chapter 10 question

yes, since there is a positive and a negetive if the positive and negitive wasn't there wouldn't a flow electricity in it.

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.

the answer to your qyestion is vincent van gogh.