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Over the Past 30 Years or So,infant Mortality Has Been

Question 18

Multiple Choice

Over the past 30 years or so,infant mortality has been cut in half and average life expectancy has increased by about 10 years or more.This is because of:


A) wider availability of modern medical technology
B) improved sanitation
C) rising incomes
D) all of the above
E) none of the above

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