Question

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

• A. 2900 km
• B. 3000 km
• C. 2800 km
• D. 3900 km

Answer 1

Answer:

A. 2900 km

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