Iron Atoms Have a Greater Tendency to Oxidize Than Do

question 19

Multiple Choice

Iron atoms have a greater tendency to oxidize than do copper atoms.Is this good news or bad news for a home in which much of the plumbing consists of iron and copper pipes connected together? Explain.

• A)This is bad news,since the iron atoms will be reduced by the copper atoms.
• B)This is not a problem,since the strength of the copper will make up for the weakness of the iron.
• C)It is bad news.The iron atoms will lose electrons to the copper atoms,which will pass those electrons onto oxygen atoms that are in contact with the surface.
• D)This is not a problem since any electrons lost will be replaced by copper electrons.

Recognize the production function and its relationship to input quantities and output.

Understand the law of diminishing returns and its implications for production and costs.

Identify the shapes and relationships among the ATC, AVC, and AFC curves.

Distinguish between short-run and long-run operational decisions in terms of costs and inputs.

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