Which of the following is NOT a characteristic of the lithosphere?

The lithosphere is defined as the outer layer of the Earth, encompassing both the crust and the uppermost portion of the mantle. It is characterized by being rigid and solid, which is essential for its role in plate tectonics—where the lithosphere is divided into tectonic plates that float atop the more ductile asthenosphere.

The choice indicating that the lithosphere is found beneath the asthenosphere is incorrect, as the lithosphere actually sits above the asthenosphere. The asthenosphere is a semi-fluid layer beneath the lithosphere that allows for the movement of tectonic plates.

In summary, recognizing the lithosphere's correct position in relation to the asthenosphere clarifies its role in geological processes, as it plays a crucial part in the dynamics of plate tectonics while remaining rigid and solid, and includes the Earth's crust. This understanding emphasizes the lithosphere's integral function without misleading notions about its position relative to other layers in the Earth's structure.