Scientists found that the main cause of the diffusion of AIDS in sub-Saharan Africa was
A) people traveling to visit relatives.
B) rhesus monkeys.
C) migrant workers.
D) long-distance truck drivers.
Answer: D
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Which areas of the ocean is most likely to have the least accumulation of sediment?
a. Abyssal plain b. Continental shelf c. Continental slope d. Deep-sea trench e. Oceanic ridge
Which of these is closely linked to the location of the major pressure and wind systems?
A) location of mountains and highlands B) ocean currents C) rainfall patterns D) evaporation sources
Many African countries are heavily dependent on foreign aid and heavily in debt to foreign lenders
Indicate whether the statement is true or false
A debris flow is a very rapidly moving turbulent mass of broken up bedrock.
Answer the following statement true (T) or false (F)