11.   But even though Mexican birth rates have plummeted, the population has continued to expand.

12.   But fast-growing populations are like speeding locomotives that cannot brake slowly, and even though Mexican birth rates fell dramatically, the population has continued to surge.

13.   But fish populations have continued to decline.

14.   But she and other residents worry about what could happen if the Orthodox and Hasidic populations here continued to grow.

15.   But the population continues to expand.

16.   But the population continues to grow faster than the economy, local economists said.

17.   But world population has continued to grow, and the spread of industry and big cities has reduced the land and water available to farmers.

18.   Deer populations continue to grow, unhindered by any predator except mankind and a few coyotes, causing untold damage to landscapes in suburban and rural settings.

19.   Deer populations continued to decline because of unfavorable weather conditions.

20.   Even if every family had only two children, the population would continue to grow, and it is very hard to get down to an average of two.