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Social Studies, 25.10.2019 21:43 bella7524

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which of the following describes how the life expectancy for a person has changed?
select one:
a. a century ago the average life expectancy was 87 years old.
b. a century ago the average life expectancy was 60% higher.
c. the average life expectancy has increased more than 60%.
d. the average life expectancy is now 47 years old.

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