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What term describes a groundwater system in which water in a well rises above the top of the aquifer without use of a pump?

________ are erosional features produced by valley/alpine glaciers.

________ cement produces bright-red and yellow colors in some sandstone.

Which of the following provides the best example of an active continental margin?

________ are erosional features produced by valley/alpine glaciers.

Waterfalls are most likely to form in which of the following settings?

Which type of channel is likely to develop a sequence of steps and pools?

A hydrothermal vent that periodically or occasionally erupts a column of steam and hot water is called a ________.

________ are found on a much larger scale than ________.

Which common, rock-forming mineral or mineral group is most readily dissolved by groundwater?