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Rocks formed by the alteration of preexisting rock in response to the effects of pressure, temperature, or the gain or loss of chemical components are classified as __________.

The __________ theory states that the Earth’s lithosphere is made up of a series of solid sections or segments that are constantly interacting with one another in very slow motion.

Solid, cohesive, natural aggregates of minerals are called __________.

The geologic time scale uses four time units to describe relative geologic time. From largest (longest) time unit to smallest (shortest), they are __________.

Although they may have less total energy than some other types of storms, __________ are the most violent of storms.

The Richter scale for the severity of earthquakes has magnitudes expressed in whole numbers, usually between 3 and 9, but since it is a logarithmic scale, each whole-number step represents about __________ times more energy than the preceding whole-number step.

Rocks are classified based on __________.

The deflection of one lithospheric plate under another is called __________.

In which type of rocks would you expect to find fossils?

Any indication of prehistoric life preserved in rock is called