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There are five basic layers of the Earth, being the crust, upper mantle, inner mantle, outer core, and inner core. Of these, the lithosphere is composed of the crust and upper mantle, and the asthenosphere is part of the mantle, below the lithosphere.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoSorry, but there are only three layers of the Earth, the crust, mantle, and the core. The 8 layers you are referring to are the crust, mantle, lithosphere, asthenosphere, lower mantle, core, outer core, inner core. That doesn't even make sense, because you probably counted the mantle and the three layers that's categorized and the core and the two different layers OF the core. So it's just 3 layers, scientists separated the mantle into three layers and the core into two layers because of their characteristics meaning that they were different. It was just to make it easier to understand.
The crust is 5-70 kilometers thick, depending on where the locations is.
Mantle is about 3,000 kilometers thick.
The core is 3,486 kilometers thick.
Wiki User
∙ 13y ago6 layers -crust upper mantel lower mantel inner core outer core and core.
Wiki User
∙ 13y agoYes there are four layers of earth the ,
crust
mantle
outer core
inner core
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