Which of the following is an alternative to hard stabilization?

You come upon an outcropping of sandstone while working in the field in Southern Utah. You notice cross-beds. Which of the following would you be able to determine about this deposit, just from looking at it?

Which of the following is an example of a proxy data source that can be used by paleoclimatologists?

Hurricanes are said to have a steep pressure gradient, and as you move toward the center of the storm, ________.

The time period of “ancient life” is the ________ era.

Which of the following is an example of a proxy data source that can be used by paleoclimatologists?

The best-known features on the surface of the Sun are dark blemishes called ________.

Which of the following is an alternative to hard stabilization?

A flat, bench-like surface cut in rock along a coast is a ________.

All geologic time prior to the beginning of the Paleozoic era is termed the ________.