Evaluate the change in mortality over the course of the twentieth century.

A. Life span increased at a very steady rate throughout the 100-year period.
B. Life span did not change significantly.
C. Life span increased dramatically in the first 50 years and then more gradually in the second 50 years.
D. Life span increased gradually in the first 50 years and then very dramatically in the second 50 years.


Answer: C

Health & Biomechanics

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