11.   Such a relatively abrupt change in the rate of increase of population size has become known as demographic transition.

12.   An abrupt change on Wall Street, such as a crash in stock prices, could throw profits into the well, they say.

13.   And their aides describe that abrupt change of course as a sign in part that the president has come to recognize how important it is sometimes to change pace.

14.   Any abrupt change could cause many businesses to fail, and the most powerful and well-connected chaebol are expected to fight any new restraints.

15.   Brain imaging showed their blood vessels were more dilated, protecting the brain against abrupt changes in blood flow that can trigger a stroke.

16.   - Display abrupt changes in behavior.

17.   Abrupt changes in soil temperature can actually heave plants out of the ground, exposing their crown and roots to the drying effects of winter winds.

18.   Abrupt changes in communication are disturbing, but so is a long-term lack of friends or fluctuating friendships.

19.   Bright lights and abrupt changes in lighting can be disorienting.

20.   But in a surprisingly abrupt change of tone, Spurrier attempted to distance himself from the controversy.