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Starting in early 2008, the Great Recession in the three North American nations began, which eventually triggered a worldwide recession in the Fall of 2008 and did not recover until 2009. In 2009, Barack Obama was inaugurated as the first African American to be President of the United States.
North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), representing approximately 16.5% of the Earth 's land area and 4.8% of its total surface area. It is the third-largest continent by size after Asia and Africa, and the fourth-largest continent by population after Asia, Africa, and Europe.
Apr 4, 2013 · The central core of present-day North America is its craton, the oldest, thickest part of the continent. While parts of the craton peek out in Greenland and Canada, in the U.S., thick layers of ...
The geological history of North America comprises the history of geological occurrences and emergence of life in North America during the interval of time spanning from the formation of the Earth through to the emergence of humanity and the start of prehistory. At the start of the Paleozoic Era, what is now "North" America was actually in the ...
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4 days ago · North America’s only land connection is to South America at the narrow Isthmus of Panama. Denali (Mount McKinley) in Alaska, rising 20,310 feet (6,190 metres) above sea level, is the continent’s highest point, and Death Valley in California, at 282 feet (86 metres) below sea level, is its lowest. North America’s coastline of some 37,000 ...
North America - Tectonics, Evolution, Geology: North America is an ancient continent in several respects. It contains some of the oldest rocks on the Earth, its interior has been stable for the longest period of time, and it was the first continent to achieve approximately its present size and shape. Although its known geologic history spans almost 4 billion years, two ages stand out as ...
Oct 29, 2009 · The story of North American exploration spans an entire millennium and involves a wide array of European powers and uniquely American characters. It began with the Vikings’ brief stint in ...
