Spoils and tailings
1. what is the difference between spoils and tailings?
2. why must mine tailings be stored and disposed of carefully?
3. describe the process of mountaintop removal and why it is controversial.
4. what is the purpose of the smcra and what requirements does it dictate?
assignment guidelines:
• answer each of the questions in one complete paragraph each. document should be at least 250 words.
• support your answers with research.
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word count: of 250
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Ответ:
Au=1
Ag=2
Cu=3
Ni=4
Ca=5
k=6
Explanation:
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