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Which of the following was NOT instrumental in improving the life expectancy of humans?a.Vaccinesb.Poor healthcare infrastructurec.Access to better healthcared.Antibiotics to treat bacterial infections

Question

Which of the following was NOT instrumental in improving the life expectancy of humans?a.Vaccinesb.Poor healthcare infrastructurec.Access to better healthcared.Antibiotics to treat bacterial infections

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Solution

The option that was NOT instrumental in improving the life expectancy of humans is b. Poor healthcare infrastructure. This is because poor healthcare infrastructure often leads to inadequate or delayed medical care, which can result in lower life expectancy. On the other hand, vaccines, access to better healthcare, and antibiotics to treat bacterial infections have all significantly contributed to increasing human life expectancy.

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