has emerged as a vital ingredient of the shift to a energy system, but reserves of the metal concentrated heavily in just a single country. Democratic Republic of Congo (DRC) is home to of the world’s known resources, and currently for around 70% of global production. Hence (c) is the correct answer. metal’s use in electronic goods – particularly the batteries used in electric vehicles and forms of energy storage – means interest in it is as the electrification of the global energy continues to gather pace.