Look at the image. which change does this represent?
a.
the stone age
b.
the neolithic agricultural revolution
c.
homo-sapiens
d.
the rise of cities

B

Explanation:

Agriculture is the process of producing food, which first needs to be planted as seeds. To do that, the land must be cultivated and that is what the animals in the picture are doing.

i'd have to with d.

explanation:

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.