Ice kept in a well-insulated thermo flask is an example of which syste

1.	Ice kept in a well-insulated thermo flask is an example of which system?
A.	Closed system
B.	Isolated system
C.	Open system
D.	Non-flow adiabatic system
Answer» C. Open system

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Ice kept in a well-insulated thermo flask is an example of which system?

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