Gold is not now being extracted from seawater.What is the primary reason for it not being extracted?
A) It would be too disruptive to marine life to develop any marine mineral resources.
B) There is no gold in seawater.
C) We don't know how to extract minerals from seawater.
D) It would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals.
Correct Answer:
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