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Magnesium, Beryllium, And Calcium
Part 1 of Paper
....’s crust. Since it is so abundant, the aerospace industry uses it extensively. Magnesium is not a strong element by itself. Alloys have been developed to improve magnesium’s hardness, resistance against corrosion, and its ability to be welded. These alloys are used in making parts for aircrafts, spacecrafts, ro.... Part 2 of Paper
....es, bones, shells, and Portland Cement. Calcium occurs in many highly useful compounds such as marble, limestone, and chalk.
Plants and animals must have calcium to live. A plant cannot grow without a good supply of calcium. A lack of calcium prevents bones from developing properly. Calcium is the major component of teeth and bones. Calcium must be present for blood to clot. It also helps the nervous system, and it is necessary for muscle contraction. A good dietary intake of calcium is .... |
| Number of words: 441 - Approximate pages: 2 |
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