The Pacific Decadal Oscillation
A) has a period of several months.
B) has a period of several years.
C) occurs over the equatorial Pacific.
D) occurs over the North Pacific.
E) has no effect on El Niño events.
D
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The feature pictured below formed as
A) an island flanked by coral sank.
B) mass wasting caused the highest parts of a hill to move downslope until nothing was left in the middle.
C) oceanic seafloor spreading occurred in a circular pattern.
D) a recent explosive volcanic eruption left only the sides of the volcano remaining.
What event was an important cause of the surge of immigration to European countries such as Germany since the beginning of the 1990s?
A) the release of the last German colony in Africa in 1989 B) the expulsion of many foreign-born immigrants from France C) an environmental disaster in the Balkans D) Germany's mild climate E) the collapse of the Soviet Union
The Coriolis force is not dependent upon
A) Earth's rotation rate. B) wind speed. C) latitude. D) longitude. E) none of the above
Atmospheric disturbances are;__________ and _______.
a. only seen during the winter and spring only b. migratory and have a long duration c. stationary and last a long time d. stationary and brief in duration e. migratory and brief in duration