Ответы и объяснения

Ой какие милости у меня тоже такой учебник...
1-US is situated in the central part of the North American Continent 2- US is washed by Pacific and Atlantic Oceans 3- The climate is temperate continental 4-Landscapes in the United States is striking in its extraordinary beauty 5-In the U.S. there are more than 500 million people 6-.Samye famous places of America. Disneyland and Universal
StudioGolden Gate and the Golden Gate Bridge in San Francisco - the national pride Ameriki 7-The largest rivers of the United States - Mississippi, Columbia, Colorado, Rio Grande. Mississippi River - the largest river in the United States and North America, one of the largest rivers in the world. 8-Mountain-chain-Nevadas and Appalachian Mountains 9- я не знаю 10-Because the mass settlement and development of the country was recently 11- у меня не текста  12-it refers to the diversity associated with America. It means that the "average American" may have lineage of English, Irish , Scotch, French, German , Polish, Ukraninan, Russian, African, Hispanic, Asian, Polynesian, etc, etc, but is part of a country where everyone is: American.