Explain how the Von Thunen Model describes an urban/rural set up, and what is included in each ring

Why is the study of demography important to geographers

Anight-club bouncer, now a top official,put coke or pepsi in it; first three initial. combine all lakes; but i still have more,of all the places; i have the largest shore.what am i? ?

Describe the four major spheres of the earth system; identify the parts of the earth they each represent. explain what is meant by the "earth system."