Cervical cancer is caused by severe abnormal changes in the cells of the cervix. Most precancerous or cancerous cell changes occur in the cervix at the transformation zone, because these cells normally undergo constant change.
In baseball, a balk is called by an umpire. Balk rules protect runners from being deceived by the pitcher. If the ball is thrown before the batter gets settled in the batter's box, the umpire will call a balk. If a pitcher begins his delivery motion but then stops, he'll be called for a balk.
In baseball, a foul ball is a batted ball that: 1  Settles on foul territory between home and first base or between home and third base, or. 2  Bounds past first or third base on or over foul territory, or.  First falls on foul territory beyond first or third base, or.