11.   El Nino occurs periodically when a change in the trade winds alters ocean current patterns, leading to warmer air and sea temperatures near Peru and Ecuador.

12.   Hormonal changes alter blood vessels from the nose to the gastrointestinal tract, making women sensitive to smells and subject to nausea.

13.   How does this change alter your perception of the song?

14.   Looming industry-wide changes could also alter the balance of media power.

15.   Meehan said the change would not alter the law, which kept soft money from being used that way.

16.   Ocampo said the changes will alter reserves for all types of deposits, including certificates of deposits.

17.   One proposed change would alter the effective date of the legislation so that candidates in post-election runoffs this fall could use soft money.

18.   Pimco officials declined to comment about how the proposed tax changes would alter their distribution policy.

19.   Such changes would alter the manner of determining salaries for civil servants.

20.   Technological changes are shifting the way abortions are performed and perceived, and tactical changes have altered the debate.