Презентация - The USA-geography, physical features

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The United States of America
Geographical position and physical features

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United States (orthographic projection)
The United States of America (the USA) is situated in the central and southern part of North America.

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49° NL
25° NL
The United States occupy a large territory between 49 and 25 North Latitude.

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The USA is washed by the Atlantic Ocean in the east and by the Pacific Ocean in the west. In the north the USA borders on Canada and in the south - on Mexico.

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The United States is the world's third largest nation by total area (land and water), ranking behind Russia and Canada. The land area of the United States is about 770 million hectares.

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State of Alaska map
Alaska, separated from the contiguous United States by Canada, is the largest state at 150 million hectares.

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Satellite image showing topography of the contiguous US
The country is crossed by the mountain ranges from the north to the south.

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The Rocky Mountains, about 3,000 miles in length, extend from the U.S State of New Mexico up through the western United States and on. The Appalachians, about 1,500 miles in length, extend from central Alabama in the U.S. up through the New England states.

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Central Plain (Great Plains) Map
The Great Plains of North America, often called the Middle West, slope east from the Rockies and extend to the edge of the Canadian Shield and the western edges of the Appalachians.

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The United States, with its large size and geographic variety, includes various climate types. The climate ranges from humid continental in the north to humid subtropical in the south.

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The Great Plains west of the 100th meridian are semi-arid. It’s the major agricultural area. It is nicknamed “America's breadbasket”.

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Alpine Meadows, California
Much of the Western mountains are alpine.

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Great Basin National Park, White Pine County, Nevada
The climate is arid in the Great Basin,

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New Mexico typical scenery
it is desert in the Southwest,

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Pacific coast, California
The climate is mediterranean in coastal California.

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The Great Lakes region shown in red.
The northern part of the USA embraces the region of the five Great Lakes.