Which of the following currently contributes most to human population growth within the U.S.?

0 votes
    the consequences of the baby boom
    immigration
    a birth rate above RLF
    both 1 and 2
    all of the above

asked May 30, 2013 in Biology by anonymous
    

1 Answer

0 votes
both 1 and 2
answered May 31, 2013 by Bioshare ~Top Expert~ (34,070 points)



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