Closed System
closed system
Closed cycle
Because in an open system matter is leaving and entering, which would change the mass, effecting your results.
its a orange colour when closed and a blue colour when is open
Open
The light bulb is a closed system: no mass transfer.
closed.
Closed System
closed system
closed system
Amphibians have closed circulatory system Closed
closed circulatory system
Odviously-it's-a-closed-system-what-really-come-in-and-out-of-the-earths-crusts...
A battery-operated wrist watch is a closed system. A wind-up wrist watch is an open system.
closed!
Closed
closed