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Earths mantle is less dense and very hot. The mantle is 2885km thick.

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βˆ™ 12y ago
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βˆ™ 5mo ago

The mantle is composed primarily of silicate minerals rich in magnesium and iron. It is approximately 2,900 kilometers thick and is located between the Earth's crust and the core.

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Q: What is the composition and approximate thickness of the mantle?
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