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Kamari Montoya
Chemistry
24 May, 21:37
What is the composition of the mantle
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Teagan Horne
24 May, 21:55
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The mantle under the crust is about 1,800 miles deep (2,890 km). It is composed mostly of silicate rocks rich in magnesium and iron. Intense heat causes the rocks to rise. They then cool and sink back down to the core.
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