Special | 6m 10s
More than 80 percent of the earth’s surface came from volcanoes. How are they formed? What is the difference between magma and lava? What kind of volcanoes are there? Find out more about these explosive marvels of nature.
Aired: 09/04/18Video has closed captioning.
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Major Funding Provided by the Laura Moore Cunningham Foundation and the Idaho National Laboratory, Friends of Idaho Public Television and the Corporation for Public Broadcasting