Category Archives: world geography

World Population Clock

Click on link to U.S. and World Population Clocks – United States Census Bureau. https://www.census.gov/popclock/  

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Maps of Rivers in the United States

Link to – The Veins of America: The map shows the network of streams and rivers in the 48 contiguous states of the United States. http://www.dailymail.co.uk/sciencetech/article-3860062/The-veins-America-Stunning-map-shows-river-basin-US.html  

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Team Martinez visits the Grand Canyon (2015)

This video provides a brief sky view of the Grand Canyon.                    

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The Paleolithic Era

40,000 – 8000 B.C.E. The period known as the Upper Paleolithic or Late Stone Age, which dates from about 40,000  to 10,000 years ago, was a time of notable advances in human mental development and technology. More sophisticated tools and … Continue reading

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The Early Stone Age

2,000,000 – 40,000 B.C.E. The first hominids to be considered human beings appeared in Africa about two million years ago. These are commonly divided into three species: Homo habilis, Homo rudolfensis and Homo erectus. All three had larger brains and … Continue reading

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Hoover Dam – Nevada (2015)

             

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Red Rock Canyon – Nevada (2015)

                       

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