The thickest of earth's physical layers is the:
A) crust.
B) mantle.
C) inner core.
D) outer core.
E) asthenosphere.

Question

Quizplus · Accepted Answer

The mantle is the thickest physical layer of the Earth, with an average thickness of approximately 2,900 kilometers, while the crust is the thinnest layer, averaging around 40 kilometers. The other layers, including the inner core, outer core, and asthenosphere, are all located within the mantle.

The Thickest of Earth's Physical Layers Is The