________ is another name for the zone of saturation.

Partial melting results in magma that is ________ that of the rock from which it was derived.

Which type of glacial drift is deposited by glacial meltwater?

Which magma is most likely to quench (congeal) to a natural glass?

A cross-sectional view of a stream from its source area to its mouth is called its ________.

________ are both deposited by meltwater streams.

Which magma is most likely to quench (congeal) to a natural glass?

Which type of glacial drift is deposited by glacial meltwater?

The ________ is the site of initial rupturing associated with an earthquake.

Which of the following best describes the Earth system?