I believe that the correct answer is B. There are many articles that talk about how workers in Mexico are getting paid these low salaries for hard factory work.
Answer: Africa includes the rich source of water drainage in the form of rivers.
Explanation:
The course travelled by the major rivers in Africa are as follows:
1. Congo: Center to north and further to the Western region finally drains into the Atlantic Ocean.
2. Nile: Northeastern part to the North and then finally to the Mediterranean Sea.
3. Zambezi: South eastern to Indian Ocean.
4. Niger: West to the Guinea Gulf.
Which countries are an option?
If you meant to type coffee plants the answer is volcanic soils.