| Oddie Emerges from the Volcano |
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 | Professor, tell us how Oddie becomes obsidian. | |
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| Well, it all starts in the magma of the Earth's mantle. | |
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| Wow, it is getting hot here. | |
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| After that, pressure forces Oddie to be shot out of the volcano. It is flung miles away. Now, it is a hard, glassy rock. | |
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| Wow, I found a shiny black rock. | |
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