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Iron
Part 1 of Paper
....thout breaking ((Webster's Dictionary, 419,
1988)) with a hardness of 4-5. It is easily magnetized at room temperatures and
this property disappears when heated above 790 degrees Celsius.. Metal
occurs in a free state in only a few localities, notably Greenland (Encarta,
1996). One of the physical properties of iro.... Part 2 of Paper
....creates an underwater deposit. This process occurs over
billions of years. Through plate movement the whole sea floor is eventually
moved up out of the water. Once out of the water, the iron has formed a land
deposit. The biggest iron deposit in the United States is in the Great Lakes.
Northern Minnesota is often called the Iron Range. There are two ways iron
deposits are located. In the first method special machines that detects the
iron's magnetism are used ti find a deposit. In the se.... |
| Number of words: 1056 - Approximate pages: 4 |
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