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

The most common minerals within Earth are ________.

Swamps, channels, floodplains, and submarine slopes all play a role in the development of ________.

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

Minerals utilized by humans as a source of metal are termed ________ minerals.

Glacial till is composed of ________-sized particles.

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

Which of the following is NOT true concerning the long-term forecasting of earthquakes? Long-term forecasting ________.

Topography dominated by depressions formed by the collapse of caves is termed a ________.

Wet and unconsolidated substrates are uniquely susceptible to ________ during an earthquake.