The increase in life expectancy has been most significantly influenced by:
A)crude longevity
B)declining fertility rates
C)increased fecundity
D)declining infant death rates
E)life span growth

Question

Quizplus · Accepted Answer

Declining infant death rates have had the most significant influence on the increase in life expectancy. With fewer infants dying, life expectancy rates have increased as individuals are living longer lives.

The Increase in Life Expectancy Has Been Most Significantly Influenced