Question

what are main features of the mantle and the core ​

Answer 1

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THE MANTLE IS ONE OF THE THREE MAIN LAYERS OF THE EARTH.IT LIES BETWEEN THE INNERMOST LAYER, THE CORE AND THE THIN OUTERMOST LAYER , CRUST. THE MANTLE CONSISTS OF HOT,DENSE SEMISOLID ROCK AND IS ABOUT 2,900 KILOMETERS(1,800 MILES) THICK. MOVEMENT IN MANTLE CAUSES VOLCANIC ERUPTIONS AND EARTHQUAKES.

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Answer 2

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Upper mantle is made mainly up of silica and magnesium. Lower mantle is made up of mixed minerals such as iron,magnesium,aluminium and silicon.It has molten material called magma. The radius of core is 3500 km. It has minerals like nickel and iron.