- Physical Description: 1 online resource (3 video files (approximately 172 min.)) : sound, color
- Publisher: [United States] : The Reader's Digest Association, Inc. : 2011.
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Episode 1 Earth's Heart Of Fire Episode 2 Power Of Water Episode 3 Our Restless Atmosphere.
|Restrictions on Access Note:||
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Whenever the Earth's relatively thin crust is diturbed, massive devastating earthquakes remind us of the planet's awesome power and turbulent nature. When the molten core breaks through, spectacular volcanoes give us a glimpse of our plant's heart of fire!
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|System Details Note:||
Mode of access: World Wide Web.
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