With regard to #1, you need to clarify as to alternatives to platinum for what? eating? drinking? hunting? jewelry? just what?
#4. This doesn't make sense. "How are the materials in your platinum and processes" isn't complete. You've left out something.
2,3,5,6,7. Thes are thought questions and we need to see some evidence of that. Please post your thoughts and we shall be happy to make suggestins.
Please help with 5 questions:
1) what metals are the alternatives to platinum?
2) what are the advantages/disadvantages of these alternatives?
3) what is the life cycle of platinum?
4) how are the materials in your platinum and processes? (be sure to include redox equations in your mining/refining steps)
5) how long is platinum supposed to last?
6) what will happen to platinum when it is no longer being used for its current purpose?
7) how might the impact on the environment be addressed at each stage of platinums life cycle?
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