11.   A. Numerous factors could affect your ability to open and see files attached to e-mail messages.

12.   All these factors affect the premium.

13.   All such factors could affect health.

14.   All these factors will affect the rate of debt reduction, for better or worse.

15.   All those factors have also affected diesel prices.

16.   But hardware and software factors may affect the final overall quality.

17.   But I must say again that many factors affect the perception of acoustics.

18.   But recent history shows that factors other than fares affect ridership.

19.   But the new study finds other prenatal factors affect intelligence.

20.   Coble urges caution in interpreting cholesterol results, even from mail-in tests, since many factors can affect the reading.