Question

which metal is mined in arizona and has been an important part of the states economy for more than 100 years? gold silver copper iron

Explanation:

Arizona has a long - standing history of copper mining. Copper mining operations have been significant in the state for over 100 years, contributing to its economy through jobs, exports, and related industries. Gold, silver, and iron mining have not had the same level of long - term economic importance in Arizona as copper.

Answer:

copper