Projected average life expectancy for all individuals born in the United States in 2007 was
a. 67.8 years
b. 77.9 years
c. 79.9 years
d. 82.3 years
e. none of these
Question 2
In the United States, average life expectancy
a. is likely to continue to increase at the same rate it did in the early parts of the 20th century
b. increased more rapidly between 1950 and 1999 than it did between 1900 and 1950
c. increased throughout the twentieth century primarily due to advances in medical technology
d. all of these
e. none of these
The life cycle of a flowering plant.
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