How does dividing land into regions make geography easier to study?

What role did natural resources play in african politics?

Because of the housing bubble, many houses are now selling for much less than their selling price just two to three years ago. there is evidence that homeowners with virtually identical houses tend to ask for more if they paid more for the house. what fallacy are they making?

Abrief, "first-step" presentation of a work to be completed is called a