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How many kilometers does the mantle extend from the Earth's Crust ?

A2900 km

B3000 km

C2800 km

D3900 km

Answer:

A. 2900 km

Read Explanation:

Mantle

  • Located beneath the Earth's crust (35 km - 2,900 km depth)

  • Comprises 84% of Earth's volume

  • Divided into upper mantle (35 km - 410 km) and lower mantle (410 km - 2,900 km)

  • Composition: hot, viscous rock (silicates, oxides, and metals)

  • Mantle have two parts .They are Upper mantle and Lower mantle


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The crust and the upper part of the mantle together are known as :
ഇന്ത്യയുടെ രേഖാംശീയ വ്യാപ്തി :

Choose the correct statement(s) regarding the lithosphere and asthenosphere:

  1. The lithosphere includes both the crust and the entire mantle.

  2. The asthenosphere plays a role in plate tectonic movement.