'(<a href="http://www.j-archive.com/media/2008-03-21_DJ_14.wmv">Cheryl of the Clue Crew topples some dominoes.</a>) Once dominoes start to fall, they continue without further outside influence--an example of this self-sustaining sequence'
a chain reaction
EVERYDAY SCIENCE: Once dominoes start to fall, they continue without further outside influence--an example of this self-sustaining sequence
Once dominoes start to fall, they continue without further outside influence--an example of this self-sustaining sequence
Once dominoes start to fall, they continue without further outside influence--an example of this self-sustaining sequence
EVERYDAY SCIENCE
a chain reaction
EVERYDAY SCIENCE