Multiple choice

What layer of the Earth contains the asthenosphere? 

  1. Inner Core

  2. Outer Core

  3. Crust

  4. Mantle

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The asthenosphere is the highly viscous, mechanically weak, and ductile region of the upper mantle, lying just below the lithosphere. Therefore, it is located entirely within the mantle.