Large-scale environmental catastrophes . A. Result from human activities b. Have a negative impact on ecosystems c. Affect a variety of environmental factors d. All of the above Please select the best answer from the choices provided A B C D.

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; decipher the motives for why people behave the way they do;

answer; attachment;