A. Diamonds from in kimberlite under very high pressure.
The three regions are Melanesia, Micronesia, and Polynesia.
The presence of oil in the region makes the region more important in the global economy because other countries or regions might wanna trade their resources for oil, and since that region is exporting oil, that region is making the world economy better by adding more money to it.
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Yes. Minerals create high-paying jobs and provide raw materials to every part of the economy. Mineral mining stimulates economic growth. It creates jobs for not only the mineral mining industry, but creates jobs elsewhere in the economy. By supporting thousands of jobs and providing raw materials, metals, and minerals mining is essential to our economy. Let me know if this helped