North America - Research Article from World of Earth Science

This encyclopedia article consists of approximately 13 pages of information about North America.
This section contains 3,646 words
(approx. 13 pages at 300 words per page)
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North America

The landmass occupied by the present-day countries of Canada, the United States, and the Republic of Mexico make up North America. Greenland (Kalaallit Nunaat), an island landmass to the northeast of Canada, is also included in North America, for it has been attached to Canada for almost two billion years.

Plate tectonics is the main force of nature responsible for the geologic history of North America. Over time, the plates have come together to form the continents, including North America. Other processes, such as sedimentation and erosion, modify the shape of the land that has been forged by plate tectonics.

North American geologic history includes several types of mountain ranges as a result of plate tectonics. When the edge of a plate of Earth's crust runs over another plate, forcing the lower plate deep into Earth's elastic interior, a long, curved mountain...

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This section contains 3,646 words
(approx. 13 pages at 300 words per page)
Buy the North America Encyclopedia Article
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Gale
North America from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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