A(n) ________ aquifer is more likely to be contaminated than a(n) ________ aquifer.

In the figure provided below, what type of igneous intrusion is the horizontal rock unit shown by letter A?

The outer edge of a meander, where material is being eroded, is a(n) ________.

The lithosphere is composed of the ________.

The mid-ocean ridges are elevated above the surrounding sea floor because ________.

Compared to typical oceanic lithosphere, the thickness of continental lithosphere is________.

Seafloor spreading is driven by volcanic activity ________.

An artesian well is one that ________.

The process of high-grade metamorphic rocks being altered to form low-grade metamorphic rocks is termed ________ metamorphism.

During an earthquake, if a hanging wall slides upward relative to a footwall, the fault is termed a ________ fault if the fault is shallow (much closer to horizontal than vertical). Refer to the figure below for an example of such a feature.