Question

Give reason.
USA is the world's leading producer of copper.​

Answer 1

Answer:

Copper mining in Arizona, a state of the United States, has been amajor industry since the 19th century. In 2007 Arizona was theleading copper-producing state inthe US, producing 750 thousand metric tons of copper, worth a record $5.54 billion. Arizona'scopper production was 60% of the total for the United States.

Explanation:

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Answer 2

Offline??.............