Which one of what? You don't say the choices:)
im sure positive it is correct
For me, the answer is letter D.
Only choice D has the technical words associated to geography. The rest of the choices contain common words that any mundane could use. But choice D talks about geology itself in the ocean which is highly influenced by drilling and mining. Knowledgeable readers would understand this because drilling and mining require workers to tap into the geological rocks deep beneath the ground which may cause a significant alteration in the oceanic geology.
Is the answer a i think it is
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I think the answer would be: How great human beings are.
Sorry If I'm wrong
