- SKU: 17322737
- Release Date: 09/02/2008
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Part of the 16-volume Physical Geography Series, which teaches viewers about a variety of natural phenomena, including caves, rocks, geysers, glaciers, earthquakes, and more, Physical Geography Series: Weathering and Erosion explains how deltas, beaches, and dunes are formed. The program travels the United States studying the effects of wind, water, gravity, and temperature shifts on rock formations. Viewers learn how these rock formations are beaten down, broken up, and bolstered. ~ Betsy Boyd, Rovi