The system is open.
probably because some of the gas trapped inside coke is realeased when you open it.
All respiratory systems are open as the function of a respiratory system is to exchange gases with inside of the body and the external world. The term 'open' or 'closed' refers to the vascular system.
The light bulb is a closed system: no mass transfer.
Closed System
Amphibians have closed circulatory system Closed
closed circulatory system
A battery-operated wrist watch is a closed system. A wind-up wrist watch is an open system.
closed
Closed
Closed
closed!
Is the stratification system of south africa closed open or mixed