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18 votes
18 votes
1. Which two Earth layers are separated by the Moho

boundary?
A) rigid mantle and plastic mantle
B) outer core and stiffer mantle
C) stiffer mantle and asthenosphere
D) crust and rigid mantle

User ForceBru
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1 Answer

23 votes
23 votes

The Moho boundary separates the earths crust and rigid mantle

User Jochemke
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