WC Ch.3 Physical Geography of the United States and Canada – Flashcards
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Sacagawea
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a Native American that belonged to the Shosone tribe that helped Lewis and Clark on their journey. She translated for them
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landforms
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shapes on Earth's surface, such as hills or mountains
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glacier
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thick sheet of ice that moves slowly across land.
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erosion
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the wearing away of soil and rock particles by waves, wind, running water, or glaciers
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river system
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a river and all the tributaries that flow into it
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weather
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the condition of Earth's atmosphere at a particular time and place
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precipitation
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moisture that falls to Earth, such as rain or snow.
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climate
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the kind of weather a place has over a long time
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vegetation
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all the plant life in a particular region
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economy
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the system by which business owners in a region use productive resources to provide goods and services that satisfy people's wants.
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Atlantic Coastal Plain
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the flat stretch of land that borders the Atlantic Ocean stretching from New Jersey through the southeast United States
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Appalachian Mountains
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a mountain system in eastern North America
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Central Lowlands
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land west of Appalachians. good soil for farming
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Great Plains
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vast grassland between the Mississippi river and the rocky mountains
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Rocky Mountains
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the major mountain range in western North America
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Inter-mountain Region
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located between the Rockies and the cascades and Sierra Nevada: area with high plateaus with deep canyons, isolated mountain ranges and desert basins
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Canadian Shield
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a huge, rocky region that curves around Hudson Bay like a giant horseshoe. The Shield covers half the land area of Canada.
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Polar and Tundra
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a vast, level, treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer
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Forest
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the trees and other plants in a large densely wooded area
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Rain Forest
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dense forest that receives high amounts of rain each year
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Grassland
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land where grass or grass-like vegetation grows and is the dominant form of plant life
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Desert
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an arid region with little or no vegetation
