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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