Which of the following is a metal essential for mobile phone technologies whose mining is currently financing a war?

Question

Quizplus · Accepted Answer

Coltan is essential for the production of tantalum capacitors, which are used in mobile phones and other electronics. The mining of coltan in the Democratic Republic of Congo has been linked to financing a long-running war in the region, which has resulted in numerous human rights abuses. Plutonium is not essential for mobile phone technologies, and its mining is highly regulated due to its use in nuclear weapons. Aluminum and carbon are also not essential for mobile phone technologies in the same way that coltan is.

Which of the Following Is a Metal Essential for Mobile