The Core

✅The core-mantle boundary is positioned at the depth of 2,900 km.  

✅ The inner core is in the solid state whereas the outer core is in the liquid state.  

✅ The core is made up of very heavy material mostly constituted by nickel and iron. Hence  

it is also called the “nife” layer.

#geography 

✍ Source - NCERT

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