Some West African civilizations that existed prior to European colonization include Djenne, Hausa, and:
A) Nubia
B) Kazemba
C) Ashanti
D) Buganda
C
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Which of the following statements is true about an Ekman spiral?
A) The net flow of a wind-driven surface current in the Northern Hemisphere will flow at about a 50° angle to the wind. B) With increasing depth, each layer will move faster than the overlying layer of water. C) Because of Ekman transport, at some frictional depth, water will be moving in the opposite direction from the surface current. D) An Ekman spiral is not influenced by the Coriolis effect.
Compared to land, water bodies:
A) are more greatly influenced by continentality. B) have a lower specific heat. C) warm more quickly. D) cool more slowly.
Characteristics of estuaries include all of the following except: a. an abundance of nutrients
b. extreme temperature ranges. c. a variation of salinity from fresh to salt water. d. low biological productivity.
The rarest pattern for organism distributions is random distribution
Indicate whether the statement is true or false