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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 ________.

The ________ core is probably solidified.

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

The ________ is the idea or concept that ancient life forms succeeded each other in a definite, evolutionary pattern and that the contained assemblage of fossils can determine geologic ages of strata.

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

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