Question

What layer is the asthenosphere?
(in number order) ex: layer *number*

Answer 1

Mantle

Step-by-step explanation:

Asthenosphere, zone of Earth's mantle lying beneath the lithosphere and believed to be much hotter and more fluid than the lithosphere. The asthenosphere extends from about 100 km (60 miles) to about 700 km (450 miles) below Earth's surface.