Please answer this: Two twin sisters, Bianca and Rosa, were exposed to high levels of air pollution. While Bianca was exposed mostly to indoor pollution, Rosa was heavily exposed to outdoor pollution. Which sister was more exposed to home air pollution?
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Answer: Bianca

Please answer this: David is a biochemist with a pharmaceutical company. He is testing three strains of bacteria, case A, case B, and case C. In case A the bacteria does not respond to antibiotics. In case B the bacteria resists antibiotics. Finally, in case C, the bacteria does not develop any immunity to antibiotics and eventually perishes. In which case there would be no effect, case A or case B?
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Answer: case A

Please answer this: Danny started weight lifting two years ago, he wanted to be bigger. His brother Arnie preferred athletic competitions such as running, so he became a runner. Which brother didn't increase the strength of his cardiac muscle?
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Answer:
Danny