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Micah Espinoza
Geography
31 May, 20:34
Why
is
the
Earth
in
layers?
+2
Answers (
2
)
Teagan Huffman
31 May, 20:35
0
Explanation: Dense materials sank to the center, forming an iron-nickel rich core. Lighter buoyant silicate-rich magma rose to the surface. The remaining material between the core and the magma formed Earth's thickest layer, called the mantle, which is composed mainly of iron, magnesium, calcium-rich silicate minerals
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Carissa Malone
31 May, 20:50
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to keep us from falling to the core
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