Why do most sub-saharan africans speak more than one language? a. students must be fluent in two languages to graduate from high school. b. official business is not conducted in the local language.

The reason why most Sub-Saharan Aricans speak more than one language is B. Offical businesss is not conducted in the local langue.

Explanation:

The explanation of this answer might be a little bit biased but is the reality of the context. Sub Saharan Africa consists of its majority in former European colonies so that leads the inhabitants to not only adapt to their conquerors' systems, orders but also their languages and even though the majority of them are no longer colonies. However, because they learned much from their conquerors they adopted many o their ways to structure their society and systems and their languages remained in the society to be exercised in the majority of the businesses.

the consumer demand because the members have to be aware if people are going to buy what they want to sell in this case either energy drinks or a car wash.

answer; all over the above; //everybody