The first three North American, or classic, models were based on Chicago. What best explains this? A. Chicago was the first major city in the United States.
B. Chicago has been the most densely populated city since the census began.
C. Chicago is the only North American city that was planned in advance of being built.
D. Chicago is located on an isotropic plain and was able to expand to the north, south, and west without interruption caused by topography.

Examine the population chart of niger. based on this chart, niger is in the stage of thompson’s demographic transition. a. balance b. growth c. leveling d. replacement

Based on what you know about the location of the earth in relation to the sun, why is this called the goldilocks zone in other galaxies?

Which of the following statements best characterizes changes to agriculture in the united states since 1900? a. increased mechanization has reduced the need for labor.b. increased mechanization has increased the need for water, thereby increasing the need for labor.increased mechanization has increased the use of land, thereby increasing the need for labor.d. increased mechanization has increased food production, thereby increasing the need for labor. select the best answer from the choices provided.