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1) hwhich steps in the life cycle of copper consume energy? for each step, can you explain the particular energy needs?

2) which life-cycle steps (such as the reduction of a mineral in an ore to produce platinum) require the use of other material?

3)how can you obtain the platinum fow water pipes?

4) people may one day want to replace their platinum water pipes with piped composed of a new material.
a) what steps would be needed to recycle the platinum?
b) what potential use is there for the recycled platinum?

5) how does each decisions(in previous questions) influence the cost of platinum water pipes?
b) how might an effective national platinum recycling program affect the eventual clost of platinum water pipes?


    As I read this lengthy question, I gather these are both factual and thought provoking questions. Someone will gladly read your thoughts after you post them and make suggestions. I recommend you start with

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