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4
|
times when all electricity to a region is cut off
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6
|
the cutting down and removal of all or most of the trees in a forested area
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7
|
a continual range of mountains along the western coast of South America
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8
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an arid region in Chile: rich in nitrate deposits
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9
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inlet of the Atlantic on SE coast of North America
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12
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the number of people living per unit of an area (e.g. per square mile)
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13
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ocean extending from the Arctic Circle to the Antarctic regions & from North America & S. America to Asia & Australia
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14
|
arm of the Atlantic bounded on N & E by West Indies, on S by S. America, & on W by Central America
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15
|
a river in South America, flowing from the Andes through Brazil to the Atlantic Ocean
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