This diagram shows magnetic stripes on either side of the mid-ocean ridge. How many times did the magnetic field change polarity to form all of the stripes shown here?

We know that other planets must have (or at least did have) liquid cores like ours, and we could use seismic data to find out how big they are. Based on what is shown for Earth and the extent of the S wave shadow zone, which planet has the largest core?

A hot spot is interpreted to have formed from:

The area marked by number 2 on this figure is a desert primarily because:

Atmospheric pressure is generally:

Which of the following is NOT an environment in which an igneous rock forms?

What type of stress could form the fault in this figure?

At which location(s) would you expect to find the highest rates of erosion associated to the following stream? 

Radioactive decay in the Earth, especially in the Earth’s crust, creates a tremendous amount of:

What is a path for magma as it solidifies at great depth and then is uplifted slowly toward the surface?