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The life expectancy in the US increased more than 30% from 1930 to 2015 which factor could have contributed to this increase a better medical facilities and treatments be decreased Farmland C increased food insecurity D refusal of vaccines

User Emjay
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2 votes

Answer:

better medical treatments and facilities

Step-by-step explanation:

i just took the test

User Anxieux
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A better medical facilities and treatments.
User Luis Estevez
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