Which of the following statements best describes diversity in sub-Saharan Africa?
A Sub-Saharan Africa is not diverse, as most people belong to the same few ethnic groups and speak
one of only a few languages.
B. Sub-Saharan Africa has a wide diversity of ethnic groups, but most people speak one of a few
languages
C. Sub-Saharan Africa has a wide diversity of languages, but most people belong to only one of a few
ethnic groups
D. Sub-Saharan Africa is extremely diverse, as its people belong to hundreds of different ethnic groups
and speak more than 100 languages
I will give you brain list if you answer

D!!!

Explanation: When you have different ethnic groups and different languages it is very diverse because there is different things

trade regulation is a field of law, often bracketed with antitrust (as in the phrase “antitrust and trade regulation law”), including government regulation of unfair methods of competition and unfair or deceptive business acts or practices. antitrust law is often considered a subset of trade regulation law. franchise and distribution law, consumer protection law, and advertising law are sometimes considered parts of trade regulation law.

in general the theory of economics says that the more open to trade a country is the better   the result for the same country and the whole economies.

in real life countries impose taxes, quotas, etc which is not so good for the economies.

this kind of commercial war between the usa and china is slowing down the growth of the whole world so we can say that it is a draw back of trade regulations. and the free trade agreements are benefits of trade regulations.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.