A neurotransmitter linked to pleasure in the brain. playing video games can increase dopamine which makes them so fun. illicit substances like coke can also increase dopamine artificially which make it so addictive.
N an organizational structure, “chain of command” refers to a company's hierarchy of reporting relationships – from the bottom to the top of an organization, who must answer to whom. The chain of command not only establishes accountability, it lays out a company's lines of authority and decision-making power.
I think it's both the railroad inspector and the driver who drives the car. The railroad inspector didn't come fix the problem and the driver didn't take his car to the shop to get his problem fixed. So honestly, it's both their faults.
