Question
Download Solution PDFWhich of the following layers of the Earth is the largest in terms of Volume?
This question was previously asked in
OSSC TGT Official Paper (Held On: 11 Mar, 2023 Shift 3)
Answer (Detailed Solution Below)
Option 1 : Mantle
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OSSC TGT: Full Test 1
100 Qs.
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Detailed Solution
Download Solution PDFThe correct answer is Mantle.
Key Points
- The Mantle makes up about 84% of Earth's volume.
- The Mantle extends from the crust to the outer core.
- It is composed mainly of silicate minerals rich in iron and magnesium.
- The Mantle can be divided into the upper mantle and the lower mantle, separated by a transition zone.
Additional Information
- Crust
- The Earth's crust is the outermost layer, making up less than 1% of Earth's volume.
- It is composed of a variety of rocks and minerals and is divided into continental and oceanic crust.
- Inner Core
- The inner core is a solid sphere composed mainly of iron and nickel.
- It is the hottest part of the Earth and has a radius of about 1,220 kilometers.
- Outer Core
- The outer core is a fluid layer composed mainly of iron and nickel.
- It lies above the inner core and below the mantle and generates Earth's magnetic field through its convective movements.
Latest OSSC TGT Updates
Last updated on Oct 28, 2023
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