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JAMB Use of English 1980 Question 43

Question 43

Vocabulary in Context

Choose the best option to fill the gap: Oxygen is necessary to life. Nothing can live without it. It was ________ a century ago

  1. A.invented
  2. B.found out
  3. C.discovered
  4. D.learnt
  5. E.extracted
Show the answer and explanation

Answer: C (discovered)

Explanation

Something that already exists in nature, like oxygen, is discovered, not invented.