What are the characteristics of the Earth's mantle and crust, and what are their components?
Understand the Problem
The question is likely asking about the structure of the Earth, specifically about the mantle and crust based on the provided text and diagram. It discusses geological components and their characteristics.
Answer
The crust is solid rock, while the mantle is a semi-solid layer rich in iron and magnesium.
The crust is the Earth's outer layer composed of solid rocks like basalts and granites, while the mantle beneath is a hot, semi-solid layer rich in iron and magnesium.
Answer for screen readers
The crust is the Earth's outer layer composed of solid rocks like basalts and granites, while the mantle beneath is a hot, semi-solid layer rich in iron and magnesium.
More Information
The Earth's crust is the outermost layer where life exists, and the mantle extends about 2,900 km down to the core. The lithosphere includes both the crust and the upper mantle.
Sources
- The Earth's Structure - Geological Survey Ireland - gsi.ie
- The Composition and Structure of Earth - courses.lumenlearning.com
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