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

Imagine you have a layer of limestone with high porosity but low permeability. What can you do to increase its permeability to allow water to be pumped from the layer and used as a source of drinking water?

The figure below shows a road in Death Valley, California, curving around a(n) ________.

In the whole Earth, the four most common elements (by mass) are oxygen, silicon, magnesium, and ________.

Of the ~4,000 known minerals, the vast majority ________.

The most common minerals within Earth are ________.

Which basic type of plate boundary is shown in the image below?

If the lithology and fossil content of two bodies of rock on opposite sides of a canyon are identical, then these remaining outcrops were likely physically connected at one time and formed part of an extensive, sheet-like layer of rock. This idea summarizes the principle of ________.

If water is the transport mechanism of sediment, the grain size of sedimentary deposits most closely indicates the ________.

Wegener’s proposal that the continents had once fit together as a single supercontinent was rejected by geologists at the time because ________.