hellevenxdona
hellevenxdona hellevenxdona
  • 08-02-2016
  • History
contestada

In 1928, Scottish scientist Alexander Fleming discovered
A. the theory of relativity.
B. penicillin.
C. atomic fission.
D. psychoanalysis.

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maddysuperhero
maddysuperhero maddysuperhero
  • 08-02-2016
Alexander Fleming is famous for discovering B), penicillin in 1928
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