Our earth. The fires below /
Whatever is inside the earth is very hot. The trail of clues leads to the model of a metallic core surrounded by a rocky mantle. Huge, slow convection currents rise up, often resulting in earthquakes and volcanoes.
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| Format: | Electronic Video |
| Language: | English |
| Published: |
[Place of publication not identified] :
Australian Broadcasting Corporation,
2003
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| Series: | Academic Video Online
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| Subjects: |
