Author: Anonymous

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

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

________ is the cool, brittle, outer layer of Earth that includes the crust and uppermost mantle.

Which one of the following statements concerning volcanic blocks and bombs is TRUE?

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

Dissolved gases may comprise up to a few percent by weight of a magma.

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.