41.  Balloon pilot John Bagwell likes to surprise tourists with this unexpected greenery in the arid center of Arizona.

42.  Bangalore became a software center very recently, and so far most of what is done there is relatively unsophisticated.

43.  Because Habib will not let her go to the health center, the children have not been immunized.

44.  Because of the large teak frame, Mama Tuyet occupied center stage on the altar.

45.  Begin to roll out your dough, starting from the center and working to the outer edges of the dough.

46.  Behind the desk was Jim Bell, the voluble park ranger in charge of the one-room visitors center.

47.  Big branches are simply no longer efficient in an era of ATM machines and centralized telephone call centers.

48.  BIn some ways, the learning center provides a dry run for the workaday world.

49.  Both centers are electronically linked to facilitate communication.

50.  Both universities have medical schools, hospitals, clinics and research centers of worldwide repute.