The predominate system of agriculture practiced in Subsaharan Africa is

A) subsistence cultivation.
B) intensive subsistence wet rice dominant.
C) mixed crop and livestock.
D) pastoral nomadism.
E) dairy.


A

Environmental & Atmospheric Sciences

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Cyclone     ? The following questions refer to the above illustration of a middle-latitude cyclone. The dashed lines show the positions of the fronts six hours ago. At which location represented by the four positions on the map would you expect to hear the following 12-hour forecast: "Cloudy and cold this morning with snow this afternoon and tonight"?

A. position 1 B. position 2 C. position 3 D. position 4

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What method was used to replenish Miami beach in the 1970s?

A) New sea walls were built. B) Sand was pumped back onto the beach. C) Groins were built. D) Dams were removed from nearby rivers.

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Sakhalin Island lacks major mineral deposits

Indicate whether the statement is true or false

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The albedo of an object is the percentage of light that it

A) absorbs. B) scatters. C) transmits. D) reflects. E) refracts.

Environmental & Atmospheric Sciences