Your family is concerned about the overuse of fossil fuels and has decided to use only nuclear power. in which region would your family most likely reach their goal?

Probably north korea if your family has decided to use only nuclear power.

The sun's parallax would be 180 degrees, greater than which you can't get.  so a. would be your anwser 

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.