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The general term ________ denotes a buried, erosional surface where rock layers are missing.

A feldspar-rich sandstone is called an arkose.

A feldspar-rich sandstone is called an arkose.

At high pressures and elevated temperatures of regional metamorphism, silicate rocks are more resistant to flowage and deformation than at low temperatures and pressures.

Earthquakes result from the sudden release of elastic strain energy previously stored in rocks surrounding a zone of fault movement.

By applying the law of superposition, ________ dates can be determined.

________ is the name of the earthquake-magnitude scale based on the amount of total energy released during a large earthquake.

Assume that man’s recorded history can be stretched back to 4600 years before the present. This is approximately what fraction of geologic time?

According to IPCC predictions, which of the following is most likely to occur as a result of global warming?

Modern climate change is dominated by ________.