Most of the variations in U.S.population growth have resulted from changes in:
A)birthrates and net migration
B)birthrates and death rates
C)net migration and death rates
D)birthrates and technological change

Question

Quizplus · Accepted Answer

Changes in birthrates and net migration are the primary factors that have led to variations in the U.S. population growth over time. Death rates have remained relatively stable, and technological change may have affected population growth indirectly but is not a direct factor.

Most of the Variations in U