EXAM 4 - Exam4 NorthAmerica:ThePhysicalEnvironment...

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Exam 4 18:43 North America: The Physical Environment Bounding the Region North America geographically—Canada, US, Mexico, Central America North America as a  developed  world region—Canada, US Socio-cultural similarities: Colonial and immigrant histories Dominance of British heritage Shared civic beliefs—representative democracy and individual freedom Affluent, postindustrial societies Greenland World’s largest island (that is not a continent) 80% covered in ice sheet Now melting Physical Setting, East to West Mid-Atlantic Coastal Plains
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Piedmont The Fall Line Where Piedmont descends to meet the coastal plains Early industrial settlement took place along the fall line—location of many major East  Coast Appalachian Mountains Not very rugged; tree covered Known for its coal Coal is the most abundant U.S. industry Interior Lowlands Great Lakes, Ohio River Valley, Great Plains, Prairie Provinces The land that lies west of the Appalachian Mountains and leads to the Rocky Mountains The Great Lakes were made by glaciers The prairie provinces The Great Plains A lot of environmental issues The Western Prairies and the “Dust Bowl” of the 1930s
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Rocky Mountains Snow runoff feeds almost all rivers in area Continental Divide refers to where the rain water goes Colorado Plateau Has the greatest concentration of national parks Great Basin Reno, Nevada Hot days and very cool nights A “high desert” Pacific Coastal Ranges Sierra Nevada (CA), Cascade Range (OR, WA). Coast Mountains (Canada), Alaska  Range Central Valley, California Where the river has punched through the mountains and created valleys The Bay area The Colombia River valley created the San Joaquin Valley Cascade Range and Volcanoes
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Volcano—a rupture or crack in Earth’s crust where magma escapes Cascade Mountain Range is part of the  Pacific Ring of Fire Mt. Rainier, Washington A potential hazard lying in wait Mt. St. Helens Erupted in 1980 56 miles Northeast of Portland Erupted May 18, 1980 Deadliest Volcano event in the U.S. 57 people died Iceland and Volcano Eyjafjallajokull Hawaii and Shield Volcanoes Slow-building, intra-plate volcanoes Mauna Loa, Hawaii The largest shield volcano in the world in terms of area
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Agriculture and Natural Resource Abundance Toxic Waste Texas and Louisiana are the two most toxic states in the U.S. We consume energy 16 times more than any population We are the largest consumer of natural resources in the world Geographies of Sustainability North America: Independence and Settlement Native Americans 3.2 million in the continental U.S. before colonization 1.2 million in Canada, Alaska, Hawaii, and Greenland before colonization Poverty Point, Louisiana
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EXAM 4 - Exam4 NorthAmerica:ThePhysicalEnvironment...

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