Geographers rank human settlements based on what two factors?

a. population and size by area

b. size by area and impact/importance to the region

c. population and impact/importance to the region

d. population and growth rate

Geographers rank human settlements based on the two factors of population and size of the area. The correct option among all the options that are given in the question is the first option or option "A". Importance of the region is important, but it is not more important than the size of the area.