Research in neuroeconomics has found that the function of the may be to deal with the cognitive demands of a given task, while the is responsible for handling emotional goals such as resenting an unfair outcome.

a. basal ganglia; corpus callosum

b. striate nucleus; locus coeruleus

c. prefrontal cortex; insula

d. diencephalon; putamen

i believe it is 40–40–20%

explanation:

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.