Professional real estate trade associations and state real estate Commissions help guide real estate licensees in the practice of their profession by creating A) a code of ethics. B) a special category of licensing for those who work free of charge for in-need clients. C) a business model for real estate professionals. D) a list of real estate licensees who promise to act ethically.

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answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.