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Red tropical soils and laterites. The majority of tropical soils have shades of
colour varying from yellow and brown to red. The reddish colour reflects the
presence of iron oxides that form as a result of chemical weathering. At one time
continental tropical air mass to the north and by maritime tropical and maritime
equatorial air masses to the south. These northern and southern air masses meet
at the intertropical convergence zone (ITCZ). The hot, dry continental tropical air ...
Tropical Africa experienced contemporaneous fluctuations in its climate, although
it is misleading to infer any simple equivalences between these fluctuations and
the European periods of glacial advances and retreats. During the wetter times ...
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The New Encyclopaedia Britannica (Encyclopaedia)User Review - Not Available - Book Verdict
For virtually all its 238 years,Britannica has ruled the shelves as a peerless general encyclopedia. Reviewers have consistently given it high marks for most of the 12 criteria identified inKister's ... Read full review