GRE Text Completion Question 3521

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Source: NO9

Science advances in (i)_____ spiral in that each new conceptual scheme (ii)_____ that phenomena explained by its predecessors and adds to those explanations.

  • A a discontinuous.. decries
  • B a repetitive.. vitiates
  • C a widening.. embraces
  • D an anomalous.. captures
  • E an explosive.. questions

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