Question

is the layer of the Earth's mantle that lies beneath the lithosphere.

• A. Lower mantle
• B. Asthenosphere
• C. Stratosphere

Answer 1

The correct option is B Asthenosphere

The asthenosphere is the layer of the Earth's mantle that lies beneath the lithosphere. It lies about 100 km to 410 km beneath the Earth’s surface. The extreme temperature and pressure of the asthenosphere makes the tectonic plates of the Earth float on this layer. The pattern of movement of tectonic plates is governed by convection currents.