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Tag Archives: Ore

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Aluminum: Ore, Refinery, Mining

ScienceBy William Anderson (Schoolworkhelper Editorial Team)June 5, 2011Leave a comment

The History of Aluminum use Aluminum is now one of the most widely used metals, but one of the hardest to refine due to it’s reactivity with other elements. Even as late as the turn of the century, Aluminum was considered very valuable and in turn expensive, even more expensive than gold. In some cultures,…

Mineral Resources: Renewable & Nonrenewable

ScienceBy William Anderson (Schoolworkhelper Editorial Team)September 23, 20105 Comments

Earth has renewable and nonrenewable resources.  Our demand for and use of resources sometimes exceeds the supply that is available. Renewable resource: one that can be replaced in nature at the same rate in which we use it Nonrenewable resource: one that exists in a fixed amount, or is used up faster than it can…

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