Copper Essay -- essays research papers

grunter Copper is a mineral. it is not a plant or a animal. Copperis a metallic metal. It can never be gloomy down into differnet substances bynormal chemical means. Copper was one of the basic metals known to humans.People liked it because in its native condition, it could intimately be beateninto weapons or tools. Copper has been one of the most utile metals for over5000 years. Copper was probably use around 8000 B.C by spate living along theTigris and Euphrates rivers. In 6000 B.C, Egyptians learned how to hammer slobinto things they wanted. slightly 3500 B.C, People first learned how to meltcopper with tin to consider bronze. So the period between 3000 B.C and 1100 B.Cbecame known as the bronze age.Today, most of the leading states of the copper industry ar Arizona with 747,000 unforesightful tons, doh with 187,000 short tons, New Mexicowith 161,000 short tons. Some other leading countries are Chile with 1,422,000short tons, United States with 1,203,000 short tons, So viet Union with 650,000short tons, and Zambia with 596,000 short tons.When copper is being mined, both Native copper and copper oreare usually found. The highest grade of copper ore is pale silvery gray. Minersused to be always in danger in copper mines. Today, we permit redu...