The Mariana Trench provides an example of a location where ________ is occurring.

Where are the only present-day continental ice sheets?

The term karst topography was first used in ________.

The most prominent feature on the ocean floor are the ________.

Which of the following is an example of a rock with an intermediate composition?

________ is (are) not part of an ophiolite complex.

Which of the following best describes a graded stream?

In a porphyritic volcanic rock, which mineral grains are the last to crystallize?

Which of the following must result in a lower base level for rivers and streams?

Darcy’s law allows for the calculation of ________.