Examine the figure that presents regional NIR in the developed region of North America as well as in six developing regions. Which of the following accurately describes away the demographic transition model can be used to study changing populations, using a graph such as this one? A.
The regional patterns of immigration are observable; this data can then be related to fertility rates.

B.
The regional patterns of urbanization are observable; this data can then be compared to agricultural densities.

C.
The regional total fertility rates are observable; this data can then be compared to the population growth rates.

D.
The regional population growth rates are observable; this data can then be compared to physiological densities.

E.
The regional arithmetic densities are observable; this data can then be compared to agricultural densities.