A. Pressure cooker
B. Jet engine
C. Tea in a steel kettle
D. None of these
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A. Pressure cooker
B. Jet engine
C. Tea in a steel kettle
D. None of these
Answer: C. Tea in steel kettle The following tea in steel kettle is a closed system.
Answer: C. Tea in steel kettle
See lessThe following tea in steel kettle is a closed system.