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Key Issue Five
Vocabulary for Key Issue Five for Human Geography
9
Geography
9th Grade
08/30/2009

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Term
Space-Tiem Compression
Definition
Describes the reduction in the time it takes for something to reach another place.
Term
Distance Decay
Definition
The diminishing in importance and eventual disappearance of a phenomenon with increasing distance from its origion.
Term
Diffusion
Definition
the process of spread of a feature or trend from one place to aother over time.
Term
Hearth
Definition
The region from which innovative ideas originate.
Term
Relocation Diffusion
Definition
The spread of a idea through physical movement of people from one place to another.
Term
Expansion Diffusion
Definition
The spread of a feature from one place to another in a snow-balling process.
Term
Contagious Diffusion
Definition
Is the rapid, widespread diffusion of a charachteristic throughout the population.
Term
Stimulus Diffusion
Definition
Is the spread of an underlying principle, evven though a characteristic itself apparently fails to diffuse.
Term
Uneven Development
Definition
The increasing gap in economic conditions between core and peripheral regions as a result of the glovalization of the economy.
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