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Author Question: In the 1970s the price of copper rose rapidly, but since then it has declined substantially. In what ... (Read 18 times)

azncindy619

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on: Jul 14, 2018
In the 1970s the price of copper rose rapidly, but since then it has declined substantially. In what ways do these variations demonstrate the effect of substitutability on mineral resource use?
 
  What will be an ideal response?

Question 2

It has been said that recycling has grown too fast in the United States. Explain.
 
  What will be an ideal response?


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janeli

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Reply #1 on: Jul 14, 2018
Answer to Question 1

Answer: Once a suitable substitution for copper was economically viable, the demand for copper declined, making the copper more affordable.

Answer to Question 2

Answer: In many cases we have generated more recyclable waste than the market for these materials can accept; manufacturers may need to develop ways to use recycled materials or produce products that generate less waste.


azncindy619

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Reply 2 on: Jul 14, 2018
YES! Correct, THANKS for helping me on my review

parshano

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Reply 3 on: Yesterday
:D TYSM

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