Inside our earth
Understand the Problem
The question is likely inquiring about the structure and composition of the Earth's interior, which could include topics such as the crust, mantle, outer core, and inner core.
Answer
The earth's layers are the crust, mantle, and core.
The earth is composed of three layers: the crust, mantle, and core. The crust is the topmost layer, the mantle lies beneath it, and the core is the innermost layer.
Answer for screen readers
The earth is composed of three layers: the crust, mantle, and core. The crust is the topmost layer, the mantle lies beneath it, and the core is the innermost layer.
More Information
The earth's crust is about 35 km thick on average, and consists of various types of rocks. The mantle extends up to a depth of 2900 km and is composed of semi-solid rock. The core, made primarily of iron and nickel, is divided into the liquid outer core and solid inner core.
Tips
A common mistake is confusing the order of the layers or their composition. Remember, the crust is the outermost part, followed by the mantle, and the core is in the center.
Sources
- NCERT Solutions for Class 7 Geography Social Science Chapter 2 - byjus.com
- Geography Class 7: Inside our Earth - Unacademy - unacademy.com
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