The Mantle extends from

Question

The Mantle extends from < 100 km to about__________ and is bounded at both its top and bottom by________
A) 290 km, the asthenosphere
B) 2900 km, material of identical composition but contrasting temperature
C) 600 km, layers of molten rock
D) 2900 km, layers of markedly different chemical composition

Quizplus · Accepted Answer

The mantle extends from about 100 km to 2900 km and is bounded by the crust above and the outer core below, both of which have markedly different chemical compositions compared to the mantle.

The Mantle Extends from < 100 Km to About__________ and Is