________ is the name of the earthquake-magnitude scale based on the amount of total energy released during a large earthquake.

All of the following descriptions apply to stratified drift (not glacial till) EXCEPT for ________.

The ________ core is probably solidified.

The general term ________ denotes a buried, erosional surface where rock layers are missing.

A feldspar-rich sandstone is called an arkose.

A feldspar-rich sandstone is called an arkose.

Intermittent streams are also called ________.

An intermittent lake on the floor of a desert valley is called a(n) ________.

Currents within the surf zone that flow parallel to the shore are known as ________ currents.

________ refers to the tendency for a foundation material to lose its internal cohesion and fail mechanically during earthquake shaking.