The Ekman spiral
A) is initiated by persistent surface winds.
B) is unrelated to Coriolis force.
C) only occurs in equatorial waters.
D) results in subsurface water moving directly opposite to surface winds.
E) all of the above
A
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An example of potential energy is
a. electricity flowing through a wire b. the chemical energy in a candy bar c. a bullet fired at high velocity d. a leaf falling from a tree e. water flowing
Which of the following is a correct example of global warming creating a positive feedback?
A) Ice has a higher albedo than water so replacing ice with water causes the surface to warm. B) Ice has a lower albedo than water so replacing ice with water causes the surface to warm. C) More water evaporating will create more low level clouds, causing the surface to warm. D) Less water evaporating will create more low level clouds, causing the surface to warm.
The Milankovitch theory explains the onset of glacial epochs as a result of major plate tectonic
activity. Indicate whether the statement is true or false.
The Westphalian system led to the development of
A. factories B. steam engines C. nation-states D. Gothic architecture