An earthquake of magnitude 7.5 releases about how much more energy than one of magnitude 5.5?

________ dunes result from persistent, onshore winds in certain coastal areas.

The horizontal distance between successive crests (or troughs) is called the ________.

Smooth, rounded cobbles and pebbles are found in streams a result of ________.

The main goal of paleoclimatology is to understand the climate of the past in order to ________.

You come upon a series of folded sedimentary strata in the field. Which principle can you use to determine that they must have been disturbed after their deposition?

Which one of the following statements concerning cinder cones is FALSE?

You come upon a series of folded sedimentary strata in the field. Which principle can you use to determine that they must have been disturbed after their deposition?

In 1980, ________ was the first Cascade Range volcano to erupt since Mt. Lassen, California, in 1915-16.

When a(n) ________ is emitted, the mass number of the isotope is reduced.