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



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