1.   A number of factors have combined to create this difficult situation.

2.   The smell of damp and the whisper of cobwebs combined to create an eerie, haunted feeling.

3.   Intuition and artistic sensitivity combine to create a rhythmic movement of special character.

4.   Although the physical and expressive facial details that combine to create a portrait are present, their billboard-scale lift these paintings out of that category.

5.   An accident on the Central Artery, slick highways and an abnormally high number of motorists combined to create one of the most congested rush hours in years.

6.   And at a time of sharp partisan division here, there is always some risk that politics, ideology and economics will combine to create gridlock.

7.   At night, the scene is entirely lit by tiki torches and the moon, which combine to create long shadows of palm trees and rock outcroppings.

8.   A public desire for common standards, big-company muscle and sheer entrepreneurial flair are combining to create scary monsters with names like Gates and Murdoch.

9.   A series of wrongful convictions, admitted mistakes, and doubtful cases have combined to create growing support for a moratorium on executions.