In the plate tectonic system, the lithospheric plates ride on the hot, weak ___ layer.

Question

Quizplus · Accepted Answer

The asthenosphere is the hot, weak layer of the Earth's mantle that is beneath the lithospheric plates. The plates float on this layer and move due to the convection currents within the asthenosphere. The deep mantle and outer core are both lower layers of the Earth's interior and are not directly involved in plate tectonic movements.

In the Plate Tectonic System, the Lithospheric Plates Ride on the Hot