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Mathematics 12 Online
OpenStudy (torikb232):

Which of these systems is the most open? Choose the best answer. A. sealed can of soup B. lightbulb C. pond D. cell phone

OpenStudy (torikb232):

Wrong section so sorry. but still appreciatr if someone helped!

OpenStudy (jungleman03):

I would probably assume a pond is the most open seeing as how its not a or b and i dont think a cell phone is open.....

OpenStudy (torikb232):

Thank you!

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