11.  Cells in the cerebellum are under two opposing forces, compelling them to grow in ribbon-like sheets, Van Essen said.

12.  Central banks have to weigh two opposing forces.

13.  Confusion and tumult made sense in terms of opposing forces that were out to gut one another and vegetation that looked as if it were made of tensile steel.

14.  First among them is to prevent intensification of the power struggle against opposing forces in Afghanistan.

15.  Humans are a part of nature and also depend on a dynamic balancing act between opposing forces.

16.  How much growth will occur will depend, experts say, largely on the push and pull of two opposing forces.

17.  In a reminder of just how elusive the opposing forces can be, suspected al-Qaida or Taliban fighters targeted both coalition operations with rockets on Sunday.

18.  In all of nature, the maintenance of the status quo is a function of dynamic balance between opposing forces.

19.  In fact, opposing forces seem to be at work as the millennium aproaches.

20.  India describes the opposing forces as infiltrators supported by Pakistan and including Pakistan army troops.