1.

What is Pyrosphere? 

Answer»

This layer lies n between the crust and the core of the earth. It begins from Mohorovicic discontinuity and continues up to a depth of2900km where ‘Gutenberg discontinuity’ separates the central core form the pyrosphere. It constitutes about 16percent of the total volume of the earth. The specific gravity of pyrospehre varies at different depths, generally it increase towards the central core. The Pyrosphere is also called Mantle zone. 



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