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fpotestio fpotestio
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Posts: 665
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6 years ago
What is a reason for the slow progress of manganese nodule mining?
 
  a. The lack of monetary value of the nodules.
 b. None of these choices.
 c. The lack of technology to mine them.
 d. The impending question of ownership of them.
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wrote...
6 years ago
d
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