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4 votes
Which of the following represents a system that is completely open?

A. a pressure cooker
B. a pressurized canister of helium gas
C. a capped soda bottle
D. a port of boiling water

2 Answers

2 votes

the correst answer is option is .D

answered
User Vineet Shah
by
8.3k points
3 votes
D. a pot of boiling water!
answered
User Peddy
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7.9k points