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einsteindude einsteindude
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Posts: 5058
9 years ago
The propagation of seismic waves through Earth's interior provides evidence of internal layering. The first boundary discovered was the boundary between the
A) upper and lower mantle.
B) inner and outer core.
C) outer core and the mantle.
D) mantle and the crust.
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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bSharpbSharp
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9 years ago
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