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19 Cards in this Set
- Front
- Back
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5 themes of geography
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-location
-sense of place -human environmental relationships -movement -region |
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essentails of a good map
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-title
-date -scale -legend -direction |
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3.5 billion years ago...
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life evolved (bacteria)
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batholith
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largest intrusion, solidified magma (granite) w/in the Earth's surface
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earthquake
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release of pressure w/in the Earth
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largest continents
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Eurasia, Africa, N.America, S, America, Antartica, India, Greenland
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Pangea
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the once "Super" continent
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continental drift
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land masses shift over history (Alfred Wagner)
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Pleistocene
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era-3million-10,000 (B.P.)
"ice-age" |
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Holocene
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present era
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6 kinds of climates
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-tropical
-arid -subtropical -continental -tundra -highland |
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2.5 million years ago...
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-early froms of human species
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Donald Johansen
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Discovered "Lucy"
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a more recognizable from of homo sapian was discovered
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100,000 years ago
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4 steps-cultural revolution
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-agricultural
-urbanization -industrialization -information |
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global population estimate
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6.4 bilion
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U.S. population estimate
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290 million
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CA population estimate
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34 million
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O.C. population estimate
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3 million
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