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Structure of the Earth Overview by demblasamaira is a document available to read on EtoBox.
What is Structure of the Earth Overview about?
The Earth, formed approximately 4.6 billion years ago, consists of four main layers: the crust, mantle, outer core, and inner core, each with distinct compositions and properties. The crust is the thin outer layer made of various rocks, while the mantle is a hot solid rock layer rich in silicates. The core, composed mainly of iron and nickel, has a liquid outer layer and a solid inner layer, generating heat from radioactive decay and residual planetary formation.
- Author
- demblasamaira
- Language
- EN