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what is the core-mantle boundary made of?

Sagot :

Answer:

The core–mantle boundary (CMB) is the interface between the solid rocky silicate mantle and liquid iron alloy outer core.

Answer:

The core–mantle boundary (CMB in the parlance of solid earth geophysicists) of Earth lies between the planet's silicate mantle and its liquid iron-nickel outer core. This boundary is located at approximately 2891 km (1796 mi) depth beneath Earth's surface

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