31.   Answering with any certainty will require additional research, but the authors of the new study point to two contributing factors.

32.   Another contributing factor is the strong economy, which is pumping up demand for diesel fuel used by trucks.

33.   Another contributing factor, the players said, was the summer lockout that forced the cancellation of two minicamps.

34.   At the Rhode Island Department of Environmental Management, Stephen Majkut, the chief of the Office of Air Resources, said that there were other contributing factors.

35.   Authoritarian governance has been a contributing factor to the growth of violent Islamic radicalism in Egypt, as it has elsewhere in the Middle East.

36.   Both called television violence a contributing factor to increases in violent crime and antisocial behavior.

37.   A contributing factor may be the Internets relative affordability as a communications tool, especially among Hispanics with relatives in Latin America.

38.   A contributing factor was an inappropriate transmission by the pilot of the third plane, the safety board said.

39.   A contributing factor, Marsh said, is that health plans and employers are demanding more and more of the rebate money that drug plan managers receive from manufacturers.

40.   A contributing factor, they add, is the virtually unprecedented lack of confidence in their political leadership afflicting most major industrial countries, starting with the United States.