1. The Structural Parts of the Earth
... be revealed like the layers of an onion. The outermost layer of the lithosphere consists of loose soil rich in nutrients, oxygen, and silicon. Beneath that layer lies a very thin, solid crust of oxygen and silicon. Next is a thick, semi-solid mantle of oxygen, silicon, iron, and magnesium. Below that is a liquid outer core of nickel and iron. At the center of Earth is a solid inner core of nickel and iron. The hydrosphere contains all ... the solid, liquid, and gaseous water of the planet ... ...
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- Approx Pages: 6
- Grade Level: High School