- United States Department of State
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Tropical forests are the most diverse and complex of the world's ecosystems. They are also among...Added June 22, 2010 - This item has been added.
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Without the crucial resources of water and atmosphere, life would not be possible on Earth....Added June 22, 2010 - This item has been added.
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Canyons chronicles the origins, history, and structure of the world's most breathtaking gorges,...Added June 22, 2010 - This item has been added.
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There are many different types of floods, ranging from slowly rising regional floods to dramatic...Added June 22, 2010 - This item has been added.
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Without the different states of matter - the solids, liquids, and gases that make up our universe...Added June 22, 2010 - This item has been added.
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Though the Earth's outermost shell is comprised of tectonic plates that are constantly shifting...Added June 22, 2010 - This item has been added.
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Water covers more than 70 percent of Earth's surface, and all of it is connected in the...Added June 22, 2010 - This item has been added.
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A provocative look at the remarkable contributions of high-skillimmigrant entrepreneurs in...Added June 18, 2010 - This item has been added.
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African Americans in the Visual Arts, Revised Edition covers the rich tradition of...Added May 25, 2010 - This item has been added.
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Praise for the previous edition:
"Writing is clear...[a] useful source...recommended for school...Added May 25, 2010