Cognition and emotion have long been thought of as independent systems. However, recent research in the cognitive and neurobiological sciences has shown that the relationship between cognition and emotion is more interdependent than separate.
An outbreak of a disease that spreads through a community of people (Ex. Europe, Johannesburg, Missouri), some examples would be The Black plague, Ebola, or The common cold/the flu
And I think you meant EPIDEMIC
The answer to the question is d