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Cooler, older, oceanic lithosphere sinks into the mantle at _________, and is most closely associated with the force known as _________.

Place the following Earth layers in order from shallowest/outermost (#1) to deepest/closest to center of the Earth (#7).

From least to greatest “packages” of time, the geologic time scale is divided into _____.

Which sedimentary environment would most likely produce sedimentary deposits characterized by red-colored, large-scale, cross-bedded sandstones?

As understood by modern geologists, the principle of uniformitarianism does not imply that  ____________.

On the map shown, which of the numbered locations is a good example of a modern-day oceanic ridge?

Why do some minerals display the property known as “fracture”?

As understood by modern geologists, acceptance of the principle of uniformitarianism implies that ____________.

Atoms of different elements “sticking together” (making compounds) via outermost electron-sharing is called an/a _________ bond.   

From greatest to least “packages” of time, the geologic time scale is divided into _____.