The Little Ice Age likely resulted from
A) changes in Earth's orbital shape (eccentricity).
B) the Pleistocene megafauna extinction.
C) a cooling of the Gulf Stream from rapid glacial melt in Greenland.
D) changes in Earth's axial tilt (obliquity).
E) volcanic activity and multiyear changes in global circulation.
E
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The most popular destination for voluntary migrants from Great Britain in the eighteenth century colonial period was
A) Asia. B) Australia. C) North America. D) South America. E) South Asia.
Which primary cultural characteristics are usually associated with the Pacific Northwest?
A) Ethnocentrism and love for high technology and coffee. B) Resilience and a desire to exploit the natural wealth of the region. C) Independence and concern for the natural environment. D) Isolationism and a sense of nationalistic pride.
A thunderstorm is associated with ________ clouds
A) cumulonimbus B) cirrostratus C) altocumulus D) altostratus E) stratocumulus
On a 500-mb chart, shortwave troughs can be difficult to detect. However, one way to identify them is to find regions of ____, with which shortwaves align themselves
a. maximum vorticity b. wind shear c. minimum vorticity d. advection e. absolute vorticity