He belonged to a group of artists who 'reacted against' convention by doing things in a completely new way.
Ozone is formed in the atmosphere when sunlight and hydrocarbons 'react together'.
The firefighters 'reacted' quickly when they heard the alarm.
(..) I gotta tell you something. Somebody is about to tell you some very important news. And for the first time in your life, I need you to react nicely. - I always react nicely. - You never do. And this person in question is very vulnerable right now. So could you please just (..)2012 TvShow: Modern Family Title: Bringing Up Baby Season: 4 Episode 1