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5 days ago · Uummannaq Fjord. Uummannaq Fjord and Uummannaq Rock, Greenland. North America occupies the northern portion of the landmass generally referred to as the New World, the Western Hemisphere, or simply the Americas.
- 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
Northern America is the northernmost subregion of North America as well as the northernmost region in the Americas. The boundaries may be drawn slightly differently. In one definition, it lies directly north of Middle America. [2] . Northern America's land frontier with the rest of North America then coincides with the Mexico–United States border.
North America occupies the northern portion of the landmass generally referred to as the New World, the Western Hemisphere, the Americas, or simply America, which, in many countries, is considered a single continent [50] [51] [52] with North America a subcontinent.
- Paleogeography
- Physiography
- Surface and Climate
- Climate and Vegetation
- Zoology
- Mining and Petroleum
- Agriculture and Forestry
- See Also
- References
- Bibliography
Seventy percent of North America is underlain by the Laurentia craton, which is exposed as the Canadian Shield in much of central and eastern Canada around the Hudson Bay, and as far south as the U.S. states of Michigan, Wisconsin, and Minnesota. The continental crust started to form 4 billion years ago (Ga), and six of the microcontinents collided...
North America may be divided into at least five major physiographic regions:[citation needed] Canadian Shield 1. This is a geologically stable area of rock dating between 2.5 and 4 Gya that occupies most of the northeastern quadrant, including Greenland. Appalachian Mountains 1. The Appalachians are an old and eroded system that formed about 1.3 Gy...
The Great Plains is the broad expanse of prairie and steppe which lies east of the Rocky Mountains in the United States and Canada. The narrow plains in the Mexican coast and the savannas of the Mississippi are analogous to, respectively, the Patagonian Steppesand the pampas of the Piranha, Paraguay, and Rio de la Plata. Thus the Appalachians and t...
There are various plant life distributions in North America. Plant life in the Arctic includes grasses, mosses, and Arctic willows. Coniferous trees, including spruces, pines, hemlocks, and firs, are indigenous to the Canadian and Western U.S. mountain ranges as far south as San Francisco. Among these are giant sequoias, redwoods, great firs, and s...
North America is home to many native mammal species. Several species of deer, including elk, caribou, moose, mule deer, and the abundant white-tailed deer are found throughout various regions, along with the bison in the central plains and the musk ox in the Arctic tundra. Three species of bear, several subspecies of wolf, and various other carnivo...
The mining and petroleum industries are important in Canada, the United States and Mexico. These natural resourcesmake the region one of the richest on the earth.
Agriculture and forestry are two major industries. Agriculture includes arid land and irrigated farming and livestock grazing.Livestock are often moved between high-elevation summer pastures and low-elevation and winter pastures.
"Deserts of America". The Golden Treasury of Knowledge. book 13. Vol. 4. Fratelli Fabbri. 1961. pp. 1008–1091. 61-10594."Geography of North America". Universal World Reference Encyclopedia. book 1. Vol. 11. V.S. Thatcher. 1964. pp. 231–233. 64-12955.Mapand aerial photos 1. North America map 2. Physical map 3. Map of the Great Lakes Archived July 27, 2021, at the Wayback Machine 4. North American map 5. North America Political map 6. Oldest Human Remains in North America Found 7. T. H. Clark and C. W. Stearn, The Geological Evolution of North America(1968) 8. W. P. Cumming et al., The Discovery...
Oct 19, 2023 · In addition to mountains, deserts, and forests, the northern part of the western region of North America also has the richest deposits of oil and natural gas on the continent. Most of these deposits are located offshore , in the Arctic and Pacific Oceans.
4 days ago · Americas, the two continents, North and South America, of the Western Hemisphere. The climatic zones of the two continents are quite different. In North America, subarctic climate prevails in the north, gradually warming southward and finally becoming tropical near the southern isthmus.
North America is made up of 23 countries, including the United States, Canada, Mexico, and several Caribbean islands. Central America, which connects North and South America, is often considered part of North America as well. However, some geographers differentiate Central America as a separate region.
