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ben jeffs ben jeffs
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6 years ago

What valuable commodity has yet to be commercially mined from ocean sediments?
  a. Natural gas
  b. Gravel
  c. Diatomaceous earth
  d. Manganese nodules

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tim87101010tim87101010
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6 years ago
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ben jeffs Author
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6 years ago
Just got PERFECT on my quiz
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Yesterday
Thanks
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2 hours ago
Brilliant
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