At what type of boundaries do volcanoes tend to form?

Earth has seven different motions. What is the name of the motion involving the slow reorientation of the Earth’s rotational axis on a 26,000 year cycle?

What type of texture would you expect an intrusive igneous rock to have?

Which of the following conditions would favor the plastic deformation of rocks:    I. High temperatures    II. Low pressures (rocks near the surface)    III. Rapid application of stress.

In the process of crystal formation, what conditions favor the formation of large crystals?

What is name assigned to distinctive fossils of plants or animals that were distributed widely but lived only a short time with a common extinction time?

Which of the following stream characteristics are typical of streams that are geologically young?   I. Small (narrow and shallow)   II. Slow moving   III. Waterfalls

What does a seismograph measure?

Which of the following terms describes the response of a rock to stress?

What is the primary component of topsoil?