The Primary Factor That Differentiates an Open System from a Closed

Multiple Choice

The primary factor that differentiates an open system from a closed system is _____.

A) a closed system is self-contained and isolated from interactions with its environment
B) open systems sustain dynamic equilibrium whereas a closed system disintegrates into entropy
C) open systems have a feedback loop and closed systems do not
D) all of the above
E) none of the above