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the life expectancy in the united states increased more than 30% fr...
Chemistry, 10.12.2019 21:31, zander434556
Select the correct answer.
the life expectancy in the united states increased more than 30% from 1930 to 2015. which factor could have contributed to this increase?
a.
better medical facilities and treatments
b.
decreased farmland
c.
increased food insecurity
d.
refusal of vaccines
Answers: 3
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