Read the claim: 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.
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1 point
Due to the overuse of penicillin and other antibiotics, some bacterial infections have become harder to treat.
Penicillin, the first widely used antibiotic, has saved millions of lives around the world.
Penicillin, the first widely used antibiotic, has saved millions of lives around the world.
Read the claim: Public transportation should be free. Select the piece of evidence that best supports this claim.
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1 point
Several cities have experimented with free public transportation but eventually had to bring back fares.
Free public transportation would encourage more people to ride buses and trains, which cause less pollution than cars do.