Tsunamis, such as the one that hit Japan's east coast on March 11, 2011, are caused by

A. shifting plate margins
B. volcanic eruptions
C. an earthquake under the sea or ocean.
D. high velocity winds such as those that occur during typhoons.


C. an earthquake under the sea or ocean.

Environmental & Atmospheric Sciences

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Over geologic time, _____ open up vast areas of shallow seas that could be inhabited and exploited

A)marine transgressions over the cratons B)marine regressions from the cratons C)glaciations D)continental movements E)mass extinctions

Environmental & Atmospheric Sciences

Which laboratory equipment is needed to prepare solutions of known %(v/v)?

A) a graduated cylinder B) a volumetric flask C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

In deep-water waves the water depth is greater than the ________ divided by two

A) wave base B) wave height C) wave period D) wave steepness E) wavelength

Environmental & Atmospheric Sciences

Earth and the Sun formed specifically from

A) unknown origins. B) other planets. C) the galaxy. D) a nebula of dust and gases.

Environmental & Atmospheric Sciences