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3 days ago · North America, third largest of the world’s continents, lying for the most part between the Arctic Circle and the Tropic of Cancer. It extends for more than 5,000 miles (8,000 km) to within 500 miles (800 km) of both the North Pole and the Equator and has an east-west extent of 5,000 miles.
- 2-Min Summary
North America, Continent, Western Hemisphere.The...
- Geologic History
North America - Geology, Plate Tectonics, Erosion:...
- The People
North America - Indigenous, Settlers, Immigration: In global...
- Tectonic Evolution
North America - Tectonics, Evolution, Geology: North America...
- Grassland, Desert, Tundra
North America - Grassland, Desert, Tundra: Soils in this...
- The Lowlands
North America - Lowlands, Plains, Coastlines: Irregular...
- Biological Resources
North America - Wildlife, Flora, Fauna: The coming of...
- The Boreal Forest
North America - Boreal Forest, Wildlife, Ecosystems: One of...
- Air Masses
North America - Air Masses, Climate, Weather: The...
- 1.3 Billion to 950 Million Years Ago
North America - Prehistoric, Geology, Plate Tectonics: The...
- 2-Min Summary
1 day ago · The United States of America (USA or U.S.A.), commonly known as the United States (US or U.S.) or America, is a country primarily located in North America. It is a federation of 50 states, a federal capital district (Washington, D.C.), and 326 Indian reservations.
1 day ago · In Portuguese, América is a single continent composed of América do Sul (South America), América Central (Central America) and América do Norte (North America). It can be ambiguous, as América can be used to refer to the United States of America, but is avoided in print and formal environments.
2 days ago · United States, country in North America, a federal republic of 50 states. Besides the 48 conterminous states that occupy the middle latitudes of the continent, the United States includes the state of Alaska, at the northwestern extreme of North America, and the island state of Hawaii, in the mid-Pacific Ocean.
1 day ago · The colonial history of the United States covers the period of European colonization of North America from the early 16th century until the incorporation of the Thirteen Colonies into the United States after the Revolutionary War. In the late 16th century, England, France, Spain, and the Dutch Republic launched major colonization expeditions in ...
5 days ago · The Rocky Mountains of North America, or the Rockies, stretch from northern Alberta and British Columbia in Canada southward to New Mexico in the United States, a distance of some 3,000 miles (4,800 kilometres). In places the system is 300 or more miles wide.
2 days ago · The United States is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territories, nine Minor Outlying Islands, and 326 Native American reservations. It is the world's third-largest country by both land and total area.
