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Copper
Start of Term Paper
Period 3 Grade 8
is a mineral. it is not a plant or a animal.
is a metallic metal. It can never be broken down into differnet substances by
normal chemical means. Copper was one of the first metals known to humans.
People liked it because in .... Middle of Term Paper
... short tons. Some other leading countries are Chile with 1,422,000
short tons, United States with 1,203,000 short tons, Soviet Union with 650,000
short tons, and Zambia with 596,000 short tons.
When copper is being mined, both Native copper and copper ore
are usually found. The highest grade of copper ore is pale silvery gray. Miners
used to be always in danger in copper mines. Today, we have reduced a fair
amount of these hazards. Miners wear hats made of iron or very hard plastic.
This is to protect them from falling rocks. Lamps are also attached to these
helmets in case some of the lighting in the mine goes out leaving a miner
strande ... |
| Number of Words: 664 |
Approximate Pages: 3 |
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