Question

Describe the interior of the Earth.

Answer 1

The structure of the earth can be divided into 3 parts – crust, mantle, and core. Crust is the outermost layer of the earth. Mantle, and core are the interior parts of the earth.

Mantle

• The layer of the earth below the crust is called the mantle.
• The mantle layer goes on till a depth of 2,900 Km, it extends from Moho’s Discontinuity.
• Asthenosphere is known as the upper portion of the mantle.
• Asthenosphere extends up to 400 Km.

Core

• There are two different layers in the core.
• The inner core is in the solid state.
• The outer core is in the liquid state.
• At the depth of 2,900 Km inside the interior of the earth is the mantle-core boundary.