What does paleoseismicity refer to, and how does it contribute to earthquake forecasting? What will be an ideal response?
Paleoseismicity is a geological method wherein trenches are excavated through a fault zone. Study of
the displacements of faults, within the trenches, and dating of layers of sediment using 14C provides a
chronology of ancient earthquake activity. This data extends our knowledge of the behavior of a given
fault zone into the distant past and thus improves the statistical database from which forecasts are
made.
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A blocky clastic sedimentary rock composed of mud would be called a
A) siltstone. B) mudstone. C) claystone. D) shale.
Current ethanol production as a fuel does not significantly reduce greenhouse gas emissions because
A) of the amount of fossil fuels required to produce the corn used in the process. B) the process of fermentation produces a tremendous amount of carbon dioxide. C) the process of fermentation produces a tremendous amount of methane. D) burning ethanol or gasoline contributes the same net amount of carbon dioxide in the atmosphere.
The very center of a hurricane is called the:
A) eye. B) core. C) eye ring. D) eye wall.
During the eighteenth and nineteenth centuries the "contracting Earth model" hypothesis attempted to explain the origins of Earth's physical features by assuming that the Earth has been slowly cooling and contracting since its formation. A few scientists still supported the contracting Earth model when Alfred Wegener proposed his continental drift hypothesis in the early twentieth century. While both hypotheses were able to explain the origins of some of Earth's physical features, they both had limitations as well.Determine which of the two hypotheses would be able to explain......the location of volcanoes and earthquakes.
A. Contracting earth model only B. Continental drift hypothesis only C. Both the contracting earth model and continental drift hypothesis D. Neither the contracting earth model nor continental drift hypothesis