nobody knows. There is no way of knowing the answer to this question, we can only speculate about it
No, the universe is not a closed system. It is constantly interacting with external forces and energy, such as from other galaxies or dark energy, which means it is an open system.
it will either be open or closed universe look it up
there is no difference. they are both 42.
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!