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Earth’s Layers: Crust to Core Explained by Franchezka Paulette Prieto is a document available to read on EtoBox.
What is Earth’s Layers: Crust to Core Explained about?
The Earth is composed of four main layers from outermost to innermost: the crust, mantle, outer core, and inner core. The crust varies in thickness between 5-35 km and can be continental or oceanic. The mantle stretches to a depth of 2,890 km and is composed of magnesium and iron silicates. Below the mantle sits the outer core, which is 2,266 km thick and liquid, and the inner core, which is solid iron and nickel. Seismic waves generated by earthquakes travel through the layers at different speeds, allowing
- Author
- Franchezka Paulette Prieto
- Language
- EN