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General Knowledge MCQs – Certification Test 689

Hydraulic Invention Trivia (Question 689) – App & eBook Download

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MCQ: 689

Hydraulic fracturing technology was invented by

  1. Floyd Farris and John Bates Clark
  2. Lisa Meitner and George Stephenson
  3. John Bardeen and Walter Brattain
  4. William Shockley

Hydraulic Invention Competitive Exam – General Knowledge App & eBook Trivia

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Hydraulic Invention Trivia App (iOS & Android)

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General Knowledge Trivia App

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Environmental Science Trivia App