Ninety-five percent of the world's opal supply is mined in the nation of?

1 answer:

8 0

Ninety five percent of the world's opal supply is mined in the nation of Australia. Other countries where opal is mined in small amounts are Brazil, Honduras, Mexico and former Czechoslovakia. The opal mines are found in regions of <span>Queensland, New South Wales, and South Australia in Australia. I hope it helps you.</span>

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Explanation:

Acidic water is more poisonous to human, animal and plant life so if acidic water were to wash into a river that humans drink, the health risks posed to those humans would increase.

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