Civil Services Examination · প্রশ্ন 7
About three-fourths of world's cobalt, a metal required for the manufacture of batteries for electric motor vehicles, is produced by
উত্তর দেখান ও ব্যাখ্যা
উত্তর: (C) the Democratic Republic of the Congo
ব্যাখ্যা
The DRC produces roughly 70–75% of the world's cobalt.