Diamonds are an important resource in which of these countries

okay

Explanation:The diamond industry pipeline starts with mining, then rough trading, manufacturing, jewelry setting and finally retailing. It may look like a short and efficient journey, however it is anything but that. In this new article series, the entire diamond pipeline will be presented from one end to the next, with facts and statistics on the issues it faces.

The diamond pipeline naturally developed on a regional basis. Some countries are rich in natural resources. Others have special skills, financing and high tech developments that make them manufacturing centers. Yet other regions are consuming markets.

the answer is either c or d i think its d

answer; the parasympathetic nervous system;