Answer:
Urban: located in a city; a densely populated area
Rural: located in a country; a sparsely populated area
urbanism: an emphasis on life, work...
Metropolitan area: a territory that spreads outward...
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Answer:
Drilling companies drill vertically down to the desired distance and drill horizontally into the shale. They then use hydraulic fracturing, or fracking, to loosen up the rock enough to get the gas out.
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-Amelia
A. Communism. There were two Russian revolutions in the early 1900s due to the intense class split there.