1.The world's largest diamond producing country is
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Australia
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South Africa
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India
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Sri Lanka
B
Correct answer
Explanation
South Africa has historically been the most famous diamond-producing country among these options, particularly for its large, high-quality gem diamonds from kimberlite pipes like Kimberley. While Russia and Botswana now lead in total production volume by carat, South Africa dominated the diamond industry historically and developed major mining technology. Australia is a significant producer today but wasn't as prominent when this question was written.