Multiple Choice
________discovered the crust- mantle seismic discontinuity in__________ , proving that the Earth was not internally homogeneous but layered.
A) Beno Gutenberg; 1914
B) Andrija Mohorovicic; 1909
C) Arne Sachnussen, 1885
D) Charles Richter; 1935
Correct Answer:

Verified
Correct Answer:
Verified
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