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6 Cards in this Set
- Front
- Back
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earth's crust
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earth's outermost layer of rock
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sediment
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small solid fragments of rock and other materials that are carried and deposited by wind water or ice
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sedimentary rock
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rock formed when chemical reactions cement together hardening them
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what regions are the earth divided into?
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atmosphere, hydrosphere, crust, mantle, and core
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the deepest region is divided into what two other regions?
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inner core and outer core
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we learn about the inner core by what?
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indirect observation
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