Geographers use all of the following measures to determine population trends EXCEPT

the sex ratio.
the natural birthrate.
the crude death rate.
the dependency ratio.
the natural increase rate.

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.

Which two nations are doing the most to combat their environmental issues?

What is the calculated distance from earth to neptune