Ninety-five percent of the world's opal supply is mined in the nation of _____.
New Zealand
Papua
New Guinea
Australia
New Caledonia

Relax

Respuesta :

The correct answer is Australia;
Australia is somewhat famous for thriving in opal mining.

Hope I could help, and good luck!

~Vinny:)

SOS:

The answer is Australia!

Hope this helps!