1.   A visible example of X chromosome inactivation is the tortoiseshell cat.

2.   Among the most visible examples, they say, is the Internal Affairs bureau.

3.   Balfour and its unique relationship with this city is the most visible example, officials say.

4.   But the Explorer has become the most visible example of the problem because of the debate over deaths in sport utility vehicles after treads peeled off their Firestone tires.

5.   But the most visible example of this approach, in Kansas City, was a notable failure.

6.   Charles F. Feeney, who made his fortune in airport duty-free shops, is but the most visible current example.

7.   In particular, the battle over the future of the Cross Westchester Expressway is becoming a highly visible example of a turnaround in environmental thinking on highways.

8.   Sports heroes are the most visible example.

9.   The epidemic of ADD cases is only the most visible example of the impulse to pathologize more-or-less ordinary behavior.

10.   The largest online service, America Online, is the most visible example of a provider that has had trouble doing so.