A calculator is typically considered a closed system because it operates independently of external influences once it is turned on and does not exchange matter with its environment. However, it can be viewed as an open system when accounting for input from users and output displayed on the screen, as it interacts with external elements during its operation. Overall, its classification can depend on the context in which it is being analyzed.
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
closed
Platypuses have a closed circulatory system.