1. in addition to global axes (outer core), which is approximately 2200 km thickness of fluid or other material characteristics.Similarly, there are liquid components are mixed and may be steel and Nickels that are lighter than, for example, Silicon or sulfur compound is slightly. 2. scan the world best in the (inner core), which has a radius of about 1270 kilometers of solid objects. Has a density of approximately? 13 grams/cubic centimeter, which is composed mostly of iron and cobalt may have some Nickels. No less important is the world axis.Go over the layer of crust or mantle layer. Global axis is causing the global magnetic field and be used to determine the direction of travel. Although there is not yet an example of the world-axis, but evidence indicates that many of the world's kaenklang it is steel.
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