Friday, December 24, 2010

INSIDE THE EARTH

INSIDE THE EARTH :-

The earth's hot inner core is made up of solid iron ,while the outer core is composed of liquid iron and nickel .the mantle nearest the core is viscous . Whereby the rocky upper mantle is fairly rigid. The crust is the rocky outer shell of the earth . Together ,the upper mantle and the crust from the lithosphere.

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