'(<a href="http://www.j-archive.com/media/2006-11-27_DJ_13.jpg" target="_blank">Jimmy of the Clue Crew points out a flow chart.</a>)  This type of loop is positive if it reinforces the activity of the system, as in a vicious circle'
a feedback loop
FILE UNDER F: This type of loop is positive if it reinforces the activity of the system, as in a vicious circle
This type of loop is positive if it reinforces the activity of the system, as in a vicious circle
This type of loop is positive if it reinforces the activity of the system, as in a vicious circle
FILE UNDER "F"
a feedback loop
FILE UNDER "F"