11.   Although these two isotopes are almost identical in chemical properties, temperature affects them slightly differently when they undergo reaction with other substances.

12.   Blocher used the occasion in Geneva to temper the reaction with his down-to-earth charm.

13.   A reaction with bacteria produces odor.

14.   But Sheridan is a stiff performer, passing from reaction to reaction with a visible yank.

15.   But sometimes, she says, it causes a strange reaction with fans.

16.   Do not use a commercial window cleaner on leaded glass because these solutions usually contain ammonia, which can cause a chemical reaction with the cames or filler compound.

17.   Economists did not envision much market reaction with a decline in the surplus.

18.   He can recall his initial reaction with some humor.

19.   He threw a block of sodium off a bridge and watched its violent reaction with the water below.

20.   I had to support my reactions with examples that would be published.