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

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

________ create(s) an easy route for oil to follow from the rock to a well.

Wegener saw Pangaea as a jigsaw puzzle, where the puzzle pieces were ________.

Minerals that do not possess cleavage are said to possess ________.

As compared to aphanitic igneous rocks, phaneritic rocks are ________.

Ore minerals, such as galena and hematite, tend to be different from typical minerals in that they have a ________.

In Bowen’s discontinuous reaction series, the first mineral to crystallize from a mafic melt is ________.

Most of the pulling force driving plate motion is produced ________.

Aside from Earth, the terrestrial planets are ________.