One danger of a positive feedback loop is that "if too many new jobs are allowed to enter the job stream, the result can be an increase in page faults." However, a positive feedback loop can still function as an "amplifier" which could change the equilibrium state of a system into unstable.
Because it helps identify the feelings and behavior of a polictical citizen. It also refers to the beliefs of a person polictical and social change
Charcoal is black when you buy it.
When you burn it, it turns red.
After burning, the charcoal is grey.