Jan 18 2011 - Homework Due Friday, January 21, 2011 Read:...

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Homework Due Friday, January 21, 2011 Read: The Global Flows of Metals and Minerals , by Rogich and Matos (USGS 2008), which can be found at http://pubs.usgs.gov/of/2008/1355/ and answer the following questions (cite and quote the article in your answers). 1. The report claims to account for information from “nearly 200 countries.” Estimate how much of the flow is likely to be outside this choice of system. 2. What is the dictionary definition of infrastructure? What does this report include in the built infrastructure? 3. What is the definition of “base metals” in the context of chemistry? What is its definition in the contexts of mining and economics? 4. The report includes the following metals: aluminum; arsenic; cadmium; chromium; gold; lead; mercury; nickel; and zinc. Locate reference the gives principal uses of each. 5. When discussing nickel-cadmium batteries the distinction is made between point of first use consumption and ultimate consumption. Explain the difference. 6.
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Jan 18 2011 - Homework Due Friday, January 21, 2011 Read:...

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