An explanation for Sub Saharan Africa's relatively poor soils is
A) most of the region's soils are old.
B) soils that are old and the lack of alluvial lowlands.
C) the extensive glaciation of the continent during the last ice age.
D) lack of extensive glaciation and older soils.
E) the lack of alluvial lowlands.
B) soils that are old and the lack of alluvial lowlands.
You might also like to view...
Oceans cover slightly less than half of the earth's surface
Indicate whether the statement is true or false
Retail activities which tend to concentrate in the CBD include those which have
A) a low threshold. B) a low range. C) services for office workers. D) a manufacturing component.
The causes of the sixth mass extinction include all of the following except ________
A) invasive species B) volcanic eruptions and meteorites C) habitat alteration and destruction D) global climate change
A river slope or gradient adjusts to what three factors that it has no control over?
a. stream width, depth, and amount of water b. water turbulence, channel roughness, and grain size of sediment c. water velocity, water temperature, and stream depth d. water velocity, grain size of sediment, and amount of sediment e. channel shape, channel cross section, and channel roughness