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Layers of the Earth
Enter the number from the column to the left into the text box next to the appropriate word in the right-hand column.
1. the water on or near the surface of the Earth volcano
2. the theory explaining the movement of tectonic plates crust
3. the solid iron and nickel mass at the center of the Earth mantle
4. the relatively thin, brittle layer of rock at the surface of the Earth outer core
5. the molten iron and nickel layer immediately surrounding the inner core atmosphere
6. a crack in the Earth's crust along which rocks may shift; primarily (but not exclusively) found at the boundaries between tectonic plates inner core
7. the layer of gases surrounding the surface of the Earth fault
8. a naturally occurring vent through which gases, volcanic ash and lava are emitted from the Earth's crust hydrosphere
9. the massive layer between the outer core and the crust tectonic plate
10. a large piece of the Earth's crust and upper mantle that slowly moves due to geological pressures plate tectonics



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