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Реферат National parks in the USA





of America occupies the central part of the North American continent. It borders on Canada in the north and Mexico in the south. It is washed by the Atlantic Ocean in the east, by the Pacific Ocean in the west and by the Gulf of Mexico in the south.present territory of the United States of America consists of three separate parts. The USA proper and Alaska are situated in North America. The Hawaii are situated in the central part of the Pacific Ocean.area of ​​the country is about nine million four hundred thousand square km. Its population is about two hundred and fifty six million people.general statement can be made about the landscape of the United States of America. It is a country of mountains and prairies, valleys and deserts. About one half of the territory in the west is occupied by the Cordilleras. In the east there are the Appalachian Mountains. Between these great mountain chains central and large valleys lie.Rocky Mountains extend from Alaska through Canada and the United States of America to Mexico. Together with the Sierra Nevada Mountains in California they have snow-capped peaks and clear mountain lakes.Great Lakes are situated in the north-east of the country. They are Lake Ontario, Lake Huron, Lake Erie, Lake Superior, Lake Michigan. The largest rivers of the United States of America are the Mississippi, the Missouri, the Columbia, the Colorado, and the Yukon. American rivers have very expressive names: the Snake River, the Milk River, the Green River, the Sweetwater River, the White River.United States of America has rich deposits of coal, oil, iron, zinc, copper, silver, phosphate rock, natural gas, uranium and nonferrous metals. The country has one fourth of the world s coal deposits.United States is a country in the Western Hemisphere. It consists of forty-eight contiguous states in North America, Alaska, a peninsula which forms the northwestern most part of North America, and Hawaii, an archipelago in the Pacific Ocean. There are several United States territories in the Pacific and Caribbean. The term «United States», when used in the geographical sense, means the continental United States, Alaska, Hawaii, Puerto Rico, Guam, and the Virgin Islands of the United States. The country shares land borders with Canada and Mexico and maritime (water) borders with Russia, Cuba, and The Bahamas in addition to Canada and Mexico. [5]

General characteristics

A satellite composite image of the contiguous United States. Deciduous vegetation and grasslands prevail in the east, transitioning to prairies, boreal forests, and the Rockies in the west, and deserts in the southwest. In the northeast, the coasts of the Great Lakes and Atlantic seaboard host much of the country's population.United States shares land borders with Canada (to the north) and Mexico (to the south), and a territorial water border with Russia in the...


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