11.   Experts attributed the record-breaking warmth to a combination of global warming and El Nino, and said next year would probably be cooler.

12.   Experts have long attributed the race gap in medicine to lack of insurance for minorities.

13.   Experts attribute the alarming rise in teen betting to the ever-increasing availability of legalized gaming.

14.   Experts attributed the low figures to a number of causes.

15.   Experts attributed the shortage to the failure of manufacturers to keep up with demand.

16.   Experts attribute the problem to the use of sex appeal to sell products and tickets and the accessibility to the public.

17.   Experts attribute the seasonal rise in mortality to several factors.

18.   Experts attribute the steady rise in American work hours to numerous things.

19.   Federal experts later attributed the act to pragmatism.

20.   Experts attribute that to culture as well as temperature.