How old is the earth?

a. 6,000 years old
b. 4.54 billion year
c. 64 million years
d. no one can count

Explanation:

Because the bible has facts about it

I hope this helps

answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck

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.