Karst Topography and Mammoth Cave | PBS LearningMedia
Karst Topography and Mammoth Cave | PBS LearningMedia
In this video from KET, take a trip into the depths of Mammoth Cave and ride an airplane to view sinkholes in the land above the Mammoth Cave system in Kentucky. Watch as an animation shows how both caverns and sinkholes are created by water seeping through and dissolving limestone. Discover that much of Earth's land surface is karst, similar ...
pbslearningmedia.org2009年1月1日
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