Read the claim below.
The most important medical advance of all time was Alexander Fleming's d...
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Read the claim below.
The most important medical advance of all time was Alexander Fleming's discovery of
penicillin in 1928.
Select the piece of evidence that best supports this claim.
Penicillin, the first widely used antibiotic, has saved millions of lives around
the world.
Due to the overuse of penicillin and other antibiotics, some bacterial infections
have become harder to treat.
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