Why does the 2009 U.S. population continue to grow even though the United States has essentially established a ZPG?
A) emigration
B) immigration
C) better sanitation
D) baby boomer reproduction
E) the 2007-2009 economic recession

Question

Quizplus · Accepted Answer

The best choice is B, immigration. Even though the United States has essentially established a Zero Population Growth (ZPG), the population still continues to grow because of the influx of immigrants. Immigration is a significant factor in the continued population growth of the United States.

Why Does the 2009 U