If you already work for a company and plan to stay with it after you receive your degree, you should still do all the steps of career development starting as soon as possible. primarily be grateful that you have a job in these uncertain economic times. primarily focus on networking with important people in your company. take it easy and enjoy your college years while you can.

Still do all the steps of career development starting as soon as possible.

This is true for several reasons. One, even if you plan to stay with the company you can still move up within the company if you network and look for other internal opportunities. Next, you can't predict the future and the company may decide not to hire you after you graduate or decide to offer you a less appealing job so you need to have your career development skills ready to go in case something changes.

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.