Author: Anonymous

________ is the dominant feldspar in basalt.

________ magma is the most abundant type of erupted at oceanic spreading centers.

Deep, down-faulted structures along the axis of some segments of oceanic ridge are called ________.

Which rock type most suggests possible deposition by energetic mountain streams?

All of the following are possible steps of scientific investigation EXCEPT for ________.

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

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

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

________ magma is the most abundant type of erupted at oceanic spreading centers.

Water is gradually expelled from compacting clay and mud sediments.