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Monday, February 18, 2019

Copper Essay -- essays research papers

crap Copper is a mineral. it is not a make or a animal. Copperis a metallic metal. It can never be broken down into differnet substances bynormal chemical means. Copper was 1 of the first metals known to humans.People liked it because in its native condition, it could easily be beateninto weapons or tools. Copper has been one of the most useful metals for over5000 years. Copper was probably used slightly 8000 B.C by people living along theTigris and Euphrates rivers. In 6000 B.C, Egyptians learned how to punt shitinto things they wanted. Around 3500 B.C, People first learned how to meltcopper with tin to make bronze. So the period between 3000 B.C and 1100 B.Cbecame known as the bronze age.Today, some of the leading states of the copper industryare azimuth with 747,000 short tons, Utah with 187,000 short tons, New Mexicowith 161,000 short tons. Some early(a) leading countries are Chile with 1,422,000short tons, United States with 1,203,000 short tons, Soviet Union with 650,0 00short tons, and Zambia with 596,000 short tons.When copper is being mined, both autochthonal copper and copper oreare usually found. The highest grade of copper ore is lookout silvery gray. Minersused to be always in danger in copper mines. Today, we have redu...

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